22re Rough Idle On Warm Start

The 1984 Chevrolet Corvette has 1 problems reported for rough idling on warm startup. 0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB. Re: 2006 ram rough idle. If the warm-up part of the regulator is off, it will cause low idle if pressure is too high and real fast idle when cold if the pressure is too low. Rough Cold Start, High Idle When Warmed Up cold starts can be a pain when getting the bike to start. 0L OHV Vulcan engine, I had the "Hot soak start rough idle" intermittent issue. You start the engine cold and it will hardly run. Usually it will turn over fine, then the idle drops way down, sputters and shudders for a few moments, and dies. Im running injector cleaner through it right now (sea foam) so once that is out then i can start to go through sensors. 3 to stall at idle or be hard to start when hot? What causes very fast idle on a 1993 Toyota 4x4 pickup 22re? A rough idle on the 91 vette could be. blah, blah, blah. It does not matter whether is cold or warm start. 94 22re rough idle on hot startup 4Runner/GX470 Car Forums Page 94 94 22re rough idle on hot startup - Page 94 - Car Forums and Automotive Chat Automotive Forums. This usually happens when I'm sitting at a stop light or when the car is in park. Rough Idle. no as the cambelt stretches a little or different tolerances in cam belt manufaturers ,mechanics fitting them etc the timing is to retarded advancing it a few degrees gets rid of the rough idle with no negative impact on the running or starting of the car. My RS has been having a somewhat similar but also different issue where I would experience rough idle for about 5-10 seconds after starting up when the car is still warm, such as starting up again after the car had been recently running. Your vehicle will cough and splutter regularly. Re: '74 345 long warm up/rough idle/stutter Even with fairly high ambient temps, the engine and internal fluids are still relatively cold during initial start up. When driving I dont feel the miss only when in neutral. At idle the voltage should be between 0. It is intended to help you map out a troubleshooting plan. Warm re-start, low and rough idle? I noticed on my 2017 Fusion Sport that after a warm restart (shut off car for 3 hours) the idle speed is the hot/warmed-up idle speed (600 RPM) and it kind of stutters. Jeep enCounteRs hot MisFiRe and Rough idle Owners of 2000–2004 Wranglers, 1999–2004 Grand Cherokees and 2000–2001 Jeep Cherokees equipped with the 4. 1995 Toyota Pickup. My 22re has a problem of running extremely rough when its cold, i have to keep my foot on the gas until its warm for my car to idle without dying, its only when its cold it doesn't stay on unless i'm on the gas, once my car warms up it seems to be fine, i know its more then likely a sensor but me and my dad don't know which one it could be! has anyone had this problem and was able to fix it?. It will start fine when hot if the engine is only off a few minutes as when running a quick errand. The 2000 Ford Explorer has 4 problems reported for trouble starting and rough idle. You'll need to make sure the air/fuel ratio is maintained during cold start. When driving around town, it accelerates perfect, it cruises perfect, but when I come to a stop, I have this rough idle. I am aware that the people affected by the HG issue experience rough idle on cold start. I have a '90 Toyota 4Runner with a 22RE fuel injected engine having 176000 miles. When you drive at high speeds, your vehicle will jerk and spit. Don't forget the hose between the charcoal canister purge valve and the intake manifold. I have a rough idle that has been slowly getting worse since about 34,000 miles. After a few more days the engine management light came on. Since there are a few hundred things it CAN be, I recommend starting with the basic stuff first. You have to remove the air flow meter to check the hot wire for damage or dust. Warm Idle Speed = This is the Target Idle RPM for when the engine temperature reaches 170 degrees Fahrenheit. I also can't figure out how to test the Idle Control Valve (Air Valve). It is bad however when I turn the truck off and go into a store or something (not let it cool down) come back to start it and it idles real rough and low. You will see a hole inside the throttle body, toward the front of the vehicle. Recently bought a 92-93 E320 distributor type (not HFM/ no air mass sensor). As soon as I put it in gear, and start to move, it smooths out. Rough hot idle but smooth cold start If this is your first visit, be sure to check out the FAQ by clicking the link above. On cold start up he gets a really high cold idle, around 1500-1600 rpm. Oh yeah I have a 2002 Pontiac Grand Am 2. These may include a clogging air filter, vacuum leaks, air temperature sensor, throttle position sensor, idle air control solenoid, PCV valve, MAF sensor. 0 and CIS, top end rebuild 20k ago, new plug wires 3 months ago, 140k total miles: Well, I have searched around on this topic and seems the other related threads were all hard to start and rough idle. After doing that, it'll idle and drive fine. It is a popping resonating sound generated by a lean condition on deceleration. The car runs fine at start up but after 20 0r 30 miles, rough idling start occurring at stop lights. once the RPMs are up, it will smooth out , but it idles very rough, like it is missing or something. Hi im hoping you can help, my car has rough idle, exhaust sputtering and a hard start (only when car is warm, it starts first turn of key in morning and also if car has only just stopped vut if I leave it for between 30mins-6hours its hard to start) ive had a diagnostic done which showed no codes, I have cleaned maf sensor and idle air control valve, I have changed air filter and spark plugs. You will see a hole inside the throttle body, toward the front of the vehicle. rough idle on hot start I've been having an issue for the last couple months, and it seems to be getting worse. Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold startup. After a couple more tries she started to catch and fired up and once running she had a rough idle. This is a carb model so the air cleaner should have little or no impact on how it runs, unlike a 22RE with the sensors in the airbox. The first thing to do if you're confronted by a misfire or rough idle, is to gather as much information as you can to assist your mechanic in diagnosing the problem. Run engine until normal operating temperature has been reached and then allow to idle. my truck does something similar. I am noticing engine shake at the time of engine start and stop (Switch off). re: rough idle everytime i start my truck, but goes away after a Post by 3FOX » Wed Dec 09, 2015 7:13 pm First, too many others have piled into this thread with to many different issues that the thread is now useless. Without the extra gas, the engine dies. Hot plugs allow less heat transfer from the ceramic and thus burn off more deposits. This problem seems common for this model, and there are reports of it everywhere. once the RPMs are up, it will smooth out , but it idles very rough, like it is missing or something. A few months ago while it was still winter in the states my 2011 SIDI V6 camaro started idling very rough during cat warm up mode and threw a few misfire codes. I have also read that rough idle on start up is common on these cars. when i put it in park or nuetral it idle up but it still lopes. My temp gauge tells me that the runner is warm and running at normal temp way before the rad is hot. My 22re idles cold at that BUT it drops to 750 when warm. Gasoline Leak: Fuel injector can crack or break, which will cause a gas leak. Upon 1st start up of the day, rpm was a bit rough for less than a minute but didn't stumble below 1k til it got warmer. Rough Idle/Engine Hesitation when engine hot was created by 96Pontiac Okay so I looked around on the forums both for the codes I have and my problem my 1996 Pontiac Grand Am (2. floods at start up poor gpm stutters after shifting then bogs down while accelerating, smooths out after letting up clatter while accelerating like it has low octane rough idle when sitting for awhile, sometimes idle will rev very high after shifting check engine light is operational at start up but is not staying on for codes. It's a E34, 1. Average failure mileage is 152,000 miles. 92 Toyota Pickup surging idle issue 86 Answers. It may also Run rough when warm, slight knock, no codes setting. It starts and idles great during a cold start, but whenever I start it when the engine is warm it idles very low and sometimes cranks but doesn't start. Fuel Pressure may be at issue. My 22re has a problem of running extremely rough when its cold, i have to keep my foot on the gas until its warm for my car to idle without dying, its only when its cold it doesn't stay on unless i'm on the gas, once my car warms up it seems to be fine, i know its more then likely a sensor but me and my dad don't know which one it could be! has anyone had this problem and was able to fix it?. I also can't figure out how to test the Idle Control Valve (Air Valve). Both aspects for the WUR can be adjusted, but it is not a simple thing to do. When I start the truck, it starts up okay, then after 5 seconds it goes into a bout of gurgling/running rough for 20 seconds, then it levels off after the RPM's jump 100-200 RPM's then slowly eases back down. Cleaning this type of sensor is easy since the hot-wires are clearly visible to the eye (with the sensor removed). Rough idle after cold start Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. Been having a rough idle problem and have not been able to diagnose what is wrong. A: Low fuel pressure results in several issues for the engine, including rough idle, poor performance and decreased fuel economy. Rough Start Up Rough Idle. CarComplaints. Third: Set the parking brakes, start the engine and let it idle. Meanwhile, cold plugs don't get as hot. It ran like a champ. Is your Astro high mileage? Over 100,000 miles? Could be the EGR valve. Ok, So I put in the fuel filter and it helped, but did not fix the rough idle on start up. Run engine until normal operating temperature has been reached and then allow to idle. So I have a 96 Corolla with 78k miles. it also seems the longer i sit the worst it gets. 8L) rough idle solved, but have question. At a cold start up the engine appears to run rough, almost like a single cylinder is misfiring but no codes are being thrown or stored. One of the best indicators of a failing fuel pump is found on the open road. Don't forget the hose between the charcoal canister purge valve and the intake manifold. Might run up to wot throtle for sec then stumble out of fuel. It won't start without pumping the throttle and dies when I don't give it some gas. The symptom is repeatable everyday. I have replaced fuel pumps, filters, air idle control valves, batteries and have checked engine grounds. The intermittent stalling and rough idle happens on hot days (90 Degrees +) when the van has already been running and it sits for a period of time between 10 minutes and an hour. when i put it in park or nuetral it idle up but it still lopes. In January/February this year, it seemed like this problem seemed to get a little worsestill cleared up quick after warm start, but sometimes had to advance throttle to get started, and engine would idle rougher and smoke quite a bit for first 10 seconds after hard start. side, and PCV on driver's. I own a 1995 Toyota Pickup. Do me a favor though, get it hot and then see if it has a hard start, if it does pour water on the HPOP and try to restart it right away. diagnostic tips Ford 7. 0 CDTI EcoFlex - rough idle on cold start; 2009 insignia ecoflex 2ltr diesel - wont start when warm. speed screw to obtain a 1200 RPM idle (warm). Symptom first developed about a year ago. 1994 Toyota pick-up 22re stumbles at idle and just above when engine gets warm. check for intake leaks none found. If I let it completely warm up or take off down the road and it warms up on its own it starts running rough. I have a 1987 pickup, 22R with 106000. After letting the engine warm up for 5-10 minutes, it will run smooth if I shut it off and restart. car cold starts rough, doesnt hesistate, fires up within a sec of turning the key but the engine shakes like its missing or something out of balance, once its warmed up it feels like it has a hiccup every 3 or so seconds, no sound but a shake you can feel in the seat every 3 secs, regardless of clutch position, and throws no codes. I simply double foot it and gently press the accelertor to maintain 600 RPM. starts fine when cold but requires prolonged cranking when hot which is about 8 hours after it is parked. Re: cold start / rough idle / misfire (Dan J Reed) 12-03-2007 03:12 PM #6 Car is OBDII, TB is clean, parts were from GAP, belt teeth are spot-on (been running perfect all summer). It starts hard and it has to idle about 10 minutes before it's warm enough to move with the choke off. Re: 258 cj7 rough idle; won't idle It's been years since I've timed a CJ, but I was researching your problem. If you don't step on gas and get rpm's up it will die and not restart till it is good and ready usually the next day if warm. 1985 22RE that has a really rough, low idle after a strong start, especially when the engine is already warm. 96 Jeep Cherokee rough idle and stalling problem. I have replaced spark plugs, plug wires, cap , rotor, o2 sensor, checked for vacuum leaks. Rough Idle. However, when it is started after it has been driven and the engine has heated up it sometimes (maybe 1/3 of the time) idles rough as anything and feels like it is going to stall. 1985 Toyota Pickup 2. 7L is an odd fire v-6 and when the odd cylinder fires it causes vibration (rough idle) i don't know if any of the above are true?. It will idle smoother and requires less throttle to maintain speed. The truck is a 1997 2. I am noticing engine shake at the time of engine start and stop (Switch off). On a cold start the engine turns over quickly and idles very smoothly. It has gotten so bad now that I have to do something. When started (cold), it idles bad and has "fits" where it tries to stall, or revs up quickly to 1500 on its own. my truck does something similar. I replaced the egr - Answered by a verified Toyota Mechanic We use cookies to give you the best possible experience on our website. Recently bought a 92-93 E320 distributor type (not HFM/ no air mass sensor). The PCV may cause a rough idle, hard starting and lean misfire (which increases emissions and wastes fuel). But it was idling, and when i'd give it gas it would sound sluggish and start to die. it only idles slightly rough in the winter. it is a 94 Toyota pickup 22re. What to Look For. The normal idle is about 600 RPM. The idle has been rough for a few months. This is an ancient thread but I didn't want to start a new thread based on the same issue. From a cold start, usually in the morning, the 1st 10-15 seconds run rough before settling down to idle. And I always always wait for the glow plug light to go off and for her to give her last "ping" sound before starting. Subsequent attempts to start will be met with, at best, a few seconds of stumbling. Rough Idle / Hesitation / Stalling -- Only On Hot Starts When you start the car cold, it runs fine, idles fine, drives. If a little more manual choke cures it, then it just needs choke for startup, which is normal. Rough Idle. It currently has rough idle from 500-700 when in Drive and the brake on. The PCV may cause a rough idle, hard starting and lean misfire (which increases emissions and wastes fuel). This requires more than one person but it was a life saver when I was stuck at a ski area. hi all, i am having rough idle problems with my 4. I recently found a problem with my truck. The 1993 Buick Century has 1 problems reported for rough idle at start. 9l gas engine, it's pretty easy to change and was fairly inexpensive. Another guy said that he timed his CJ at idle, instead of the recommended 1600 RPM, and that resulted in it being 7 degrees off, and running poorly. It is because rough idle when warm can either be caused by one faulty component or through series of problems. When I start the truck, it starts up okay, then after 5 seconds it goes into a bout of gurgling/running rough for 20 seconds, then it levels off after the RPM's jump 100-200 RPM's then slowly eases back down. , park, go into a store for 5-20 minutes, and the car would crank, but not start). REBUILT 22R / 22RE / 22RTE ENGINES. The Toyota R family was a series of straight-four gasoline automobile engines. I have a 1989 22RE with an automatic transmission. 3, I start it up and she runs at high idle nice and smooth however when she warms up it begins to idle rough when I rev it up she revs up smooth and when the rpms come down the thing damn near dies sometimes it does and sometimes it'll catch and keep on running at a rough idle. I have a 2000 durango w/5. Also as the engine is warming up, it may speed up to about 1500 to 1800 RPM, the engine will run at this speed for a couple of minutes then slow back down to an idle. 5 Motronic in my Bavaria. 92 Toyota Pickup surging idle issue 86 Answers. Over the last month, my 3. It seems to be more prevalent in the winter when it's colder. It runs rough and idles very low and will even quit a few times. Hello, I've just bought my first BMW in my life. Example: If you have a late 22RE cylinder head that has a measured deck height of 3. It idles fine one it gets warm but when I first start it up it's a little rough. This is an ancient thread but I didn't want to start a new thread based on the same issue. The problem developed without warning and as long as the engine was running a feww hundred revs above idle, the car felt and sounded fine. Warm re-start, rough and low idle? I noticed on my 2017 Fusion Sport that after a warm restart (shut off car for 3 hours) the idle speed is the hot/warmed-up idle speed (600 RPM) and it kind of stutters. As Robert indicated, your choke function needs to be visually inspected for proper engagement as well as disengagement. Setting the transition too far out, would result in a sluggish throttle response, since the ECU would see a longer idle section on the TPS. This is the VSV bolted to your valve cover. Rough Idle When Starting Cold, Then Goes Away When Engine Is At Operating Temperature More Details Below I have an older, low mileage vehicle with a V8 engine. Both of these complaints are generally caused by a problem with cold start enrichment. If the warm-up part of the regulator is off, it will cause low idle if pressure is too high and real fast idle when cold if the pressure is too low. Fixed it for less than $1! Maybe that's the issue with your 22RE?. 2 had some similar problems after belt was fitted caused miss fire when warmed up, fitted new leads as they lit up in the dark, but didnt cure it, turned out to be timing belt one notch out, started great. you might be able to get a refund on that from a dealer. It was a rough idle and the exhaust was dirty. The major problem is that it runs fine at start, but once it heats up it begins to idle rough. Once engine gets warmed up it goes away and runs great the. This ignites the fuel and makes a car run. Air intake/system is all cleaned, fuel system, injectors, and fuel filter is new. Re: Rough Idle on initial start from cold The car last had a Ford service when it was two years old but was serviced by an independent in March this year as fords wanted to rip me off, but that's another story. Damage to the car's carburetor and vacuum hoses can cause the engine to misfire, resulting in a rough idle. Temperature in mornings is around 70F or 20 C. The symptom is repeatable everyday. Hi im hoping you can help, my car has rough idle, exhaust sputtering and a hard start (only when car is warm, it starts first turn of key in morning and also if car has only just stopped vut if I leave it for between 30mins-6hours its hard to start) ive had a diagnostic done which showed no codes, I have cleaned maf sensor and idle air control valve, I have changed air filter and spark plugs. Rough idle after cold start Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. 1985 Toyota Pickup 2. stock 22RE in. This is a general guide which will list symptoms for 944 starting and running problems and common causes of those problems. Then it will return and hold normal idle. Reset Idle Learn = The Idle Air Learning can be reset to a default value (16 steps) - by setting this control value to 1, and turning the key off and waiting for the system to completely power down. 3 300 Hp Warm engine rough Idle Thread starter shadow7663; Start date Sep 17 , 2010 After all that still the rough idle. 1 L Vortec (99,000 miles), and when warm, it's hard to start, You must hold the key on start for 10 or 15 seconds, and then the motor stumbles to life at idle, and in 5 to 10 seconds, it's cleared up and runs great. This is a tell-tale sign that there is a hair line fracture in the ECU's circuit or in one of the coil's windings that separates and loses connection when it gets hot and expands. my A4 engine suddenly devenloped a rough idel that would shakle the car. '88 735i, very rough idle in warm weather, better in cool weather, great in cold weather. 1994 toyota pickup running rough, no power and a strong gas smell Its a hot start issue. 22re toyota pickup. It runs rough and idles very low and will even quit a few times. The problem I am having is the idle is running too low. Okay, I've been reading since I got my WRX, about the rough idle issues. 0 and CIS, top end rebuild 20k ago, new plug wires 3 months ago, 140k total miles: Well, I have searched around on this topic and seems the other related threads were all hard to start and rough idle. Worse problem is bad hesitation when accelerating after throttle at idle position, sometimes stalling. Edited 17 February, 2010 by cheezemonkhai. It does not matter whether is cold or warm start. when i put it in park or nuetral it idle up but it still lopes. Vapor lock causes a car to stop running when the fuel in the system overheats. Then the rough idle and sputtering cruising at low rpm is gone. It doesn't matter hot or cold, there is no pattern. Re: Cold start = rough idle until warm up That sounds like it might be a very rich condition during warm up. During starting, the starter cranks but no start for a long time (10-15 seconds). It's only at start up and I have to give it gas to get that typical high RPM idle that it would do on cold starts. Here's the scenario-when the car is warm, as in close to or at operating temperature, and I start the car, the car idles like sh** between 300-600rpm, and then misfires if I rev it at all. Also as the engine is warming up, it may speed up to about 1500 to 1800 RPM, the engine will run at this speed for a couple of minutes then slow back down to an idle. I have replaced fuel pumps, filters, air idle control valves, batteries and have checked engine grounds. It would idle rough and when it was hot, it would act like it was going to stall every time I came to a stop. UNABLE TO MAINTAIN IDLE OR LOW/ROUGH IDLE AT START Engine Running and Warm Up 1. I have been trying to figure out the reason for a rough idle ( only when in drive, it does ok when in park or neutral ) FOR ABOUT 15 OF THOSE YEARS. It would come and go and it only happens for 20-30 seconds during cat warm up mode only so I just lived. Hi all, So I bought my ranger last week and have been trying to fix it's one big issue since. Wind the idle mixture screw in until the engine begins to cough and splutter as an extremely rich and wet mixture is delivered, then wind the screw out counting the number of turns until the engine begins to 'hunt' or run rough again (these two conditions of running rough are noticeably different and can give you a clue as to how your motor might run if it is. My truck never gets up to 180 degrees in the winter except for once in a while. However, after it has warmed up (hot soak) it will still start right up but will run rough and die unless I give it gas to 2000 RPM and hold it there for 5 seconds or so. The car runs fine at start up but after 20 0r 30 miles, rough idling start occurring at stop lights. When the engine is cold and during warmup I notice the idle is somewhat rough. But you put it in gear and drive away and it quickly goes away. Meanwhile, cold plugs don't get as hot. Average failure mileage is 152,000 miles. Temp sender seems to be reading within a small percentage of what it should do too. Rough Idle. once the RPMs are up, it will smooth out , but it idles very rough, like it is missing or something. Ok, So I put in the fuel filter and it helped, but did not fix the rough idle on start up. Engine Hard to Start or Will Not Start (Exhaust Smoke Present) Engine Cranks But Will Not Start (No Smoke From Exhaust) Engine Starts But Will Not Keep Running; Engine Will Not Shut Off; Rough Idle, Warm Engine; Engine Surges at Idle. Upon cold start up, it idles at 1600rpm for about 5 seconds before slowly coming down to a more reasonable idle of about 1000. I have a 22RE in my truck that had been running fine. Here's the scenario-when the car is warm, as in close to or at operating temperature, and I start the car, the car idles like sh** between 300-600rpm, and then misfires if I rev it at all. Batch fire engines typically idle best in the mid 13's, so if you're leaner than that, put in some more fuel and see if that stabilizes the idle. It runs great once slightly warm. If the outside temp is in the low 80s or cooler the warm start idle is still pretty steady. A good test for that is pump up the ball filling the vst with engine off. Edited 17 February, 2010 by cheezemonkhai. 0L engine may complain of a rough idle condition following a hot re-start. I got the same exact crap. In this situation, you can usually re-start the engine once it has had a chance to cool back down and it'll run just fine until it warms-up again and stalls. 020" of re-surfacing or use a head shim to achieve proper deck height. It cranks and cranks and cranks, but takes a while to finally start. If the cold start injector leaks at the nozzle, and allows fuel into the intake this will cause an excessively rich mixture. I replaced my temp sensor and connector but that didn't fix my low idle when warm problem. For me it started when my stock fuel pump died. I have a 2003 BA Fairmont 6 cylinder. You get it any gm dealer parts. It doesn't matter hot or cold, there is no pattern. It costs $65. I will start fine the first time and idle well for a few seconds then the RPMs start to fall. The sensor basically looks at idle or closed throttle (IDL) and throttle angle opening (VTA). side, and PCV on driver's. 00 trying to find the problem for this. Do me a favor though, get it hot and then see if it has a hard start, if it does pour water on the HPOP and try to restart it right away. After it heats up, it may be slightly rough, but is mostly gone. But it still idles rough! Question: Can the idle be cause by bad timing, rich mixture, vacuum leak, and maybe a bad choke all in combination?. This is a discussion on low, rough, surging rpm at idle after hot start within the General Help forums, part of the LSx Technical Help Section category; hello, having a caprice/statesman 2004 ls1. Re: Need help cold start rough idle! I have about 1400 Mikes on RZR 1000 S and just checked my Valves and they were all in spec but on the tight side (Lower Spec), mine is running fine, just thought I would throw that in. During starting, the starter cranks but no start for a long time (10-15 seconds). Rough idle after warm up 1985 300D. If the PCM receives an inaccurate engine temperature signal at cold start-up, a rough idle may be created from. When the engine is cold and during warmup I notice the idle is somewhat rough. It is a popping resonating sound generated by a lean condition on deceleration. What to Look For. It will start fine when hot if the engine is only off a few minutes as when running a quick errand. Oh yeah I have a 2002 Pontiac Grand Am 2. guage goes up to normal operating temp. It may also Run rough when warm, slight knock, no codes setting. When you try to start the engine after a trip (at least 20 minutes?) and it's really hot out. Honda Civic: Why is My Car Shaking at Idle? If your trusty Honda Civic is shaking violently, accelerating poorly, or declining in fuel economy, diagnose and repair the problem as soon as you can. Only on cold starts (When the engine is cold that is) the engine idles rough and very low. Im running injector cleaner through it right now (sea foam) so once that is out then i can start to go through sensors. hot start problem 1982 380sl I'm having exactly the same hot start problem with my 1982 380SL, i. This usually happens 3-4x before it finally starts and the idle increases to normal. I am aware that the people affected by the HG issue experience rough idle on cold start. This method allows the computer to do an accurate analysis of the air entering the engine. I thought it might be a leaky fuel injector, but it does not show up in the UOA. Seems to go away once fully hot. 2 of the injectors were. Fixed it for less than $1! Maybe that's the issue with your 22RE?. 3L runs rough when it's first started. I have a 2003 BA Fairmont 6 cylinder. Here is all I can find on this forum. no don't do it from cold start because you won't be able to tell if its failed due to the car using higher revs to warm up quicker, wait till its completely warmed up 80 - 90 degrees and then unplug the MAFM, if revs go back up to around 1k - 1. Then yesterday it just craps out and won't idle. When you try to start the engine after a trip (at least 20 minutes?) and it's really hot out. I can feel it in the driver's seat but the truck still drives normally w/ no hestitation or stumbling I can notice. In Jun 2007 I went all out and put in a dealer supplied rebuilt injection pump. They are a good indicator of many problems that occur and can save a lot of time isolating the problem. Start the engine and see if the idle rpm is normal and that the surge problem has gone away. Lexus IS250 and GS300 rough idle and/or P0301, P0302, P0303, P0304, P0305, P0306. If the PCM receives an inaccurate engine temperature signal at cold start-up, a rough idle may be created from. I get low, rough idle sometimes when I'm starting the car warm. My truck runs great but when I start the vehicle after it's warmed up (running errands etc) it idles around 500 rpm and runs rough for about 20 seconds. Top 10 Causes of a Rough Idle | JL Motorworks. Engine starts easy, runs fine when accelerating. On the 22RE, ignition timing is specified at 5°BTDC with the above jumper installed and the idle speed set to around 750 RPM. Worn out or damaged spark plug wires could be the cause. I had a 22re that idled rough. com and has not been tested at DIYAutoTune. It would idle rough and when it was hot, it would act like it was going to stall every time I came to a stop. it runs fine when i first start it, but soon idles low/rough, but only in gear. I was planning on doing plugs/wires, pcv valve as well as fuel filter. I have a 22RE in my truck that had been running fine. 1993 toyota pu 22re high idle like a vacuum leak have tried tps sensor,throttle body,mass air flow sensor,new intake gasket,adjusted valves,checked egr valve,the air valve on the throttle body is all … read more. After the first few seconds, its idles rough. What causes a 1991 Mercedes-Benz 190E 2. Often a big cam requires you to open the throttle so far that the curb idle adjustment needles won't work. My temp gauge tells me that the runner is warm and running at normal temp way before the rad is hot. Cold start is fine and idles normally. HELP! :( Hey guys, So as some of you will see, this is my first post. Turning of the AC will help delay a stall sometimes. Also, after it dies, it will start back up, as i stated, then it goes into surge at idle, but I have found that if i just sit there and let it surge, it will eventually flatten out and idle pretty much normal. Sometimes it all depends on system maintenance. Is this normal? Spark plugs are only 20k ish kms old - not sure about coil packs. " Before I start tearing stuff down & ordering parts, I wanted to see if anyone else had a determination on. Rough idle after cold start Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. rough idle after warm up 1990 f-150 4. Average failure mileage is 94,000 miles. Once I start driving it back to somewhat normal. Number 4 and 8 plugs skipping the worst. 9 manual trans. rough idle and sometimes hard to start 9 Answers. Because of this a cold idle problem rarely. Constant acceleration and deceleration make your engine work harder, causing it to run hotter. Once engine gets warmed up it goes away and runs great the. I am aware that the people affected by the HG issue experience rough idle on cold start. Cold starts are fine- starts and runs fine, idles fine. It seems to be loosing it's prime.