In the am cold start it was a different car. It starts fine and was idling great previously. I turn off car, wait a few mins, turn on car & it idles rough. but worse when in drive a stop, and very bad in reverse backing out. Running Problems. 2 OHV with 4-speed auto, 48,000 miles. I haven't been able to drive my car in 5 weeks. My car rough idle goes away when i turn on the A/C, RPM's go up to about 800 and everything seems fine. There was what felt and sounded like misfire/pinging today as I started it but this only happened the once and hasn't happened again today. Not a lot of time today but I would like to figure this out. I spoke with my tuner and we agreed to re-tune the vehicle using the new post-recall ECM type. Pulled negative cable and turned ignition swith to start for 1 minute and cleared pcm. Now that's smooooooooooooooooooth! Our 2012 soul does have a "periodic rough idle" but it has never stalled or appeared like it wanted to. Just did the tune up on the wife's 289 2V this past weekend. Drivers of direct-injected gasoline engines have been complaining about a rough idle and a check engine light that has been illuminating on the dash. anybody know what causes the 3. Smooth idling indicates that your engine is getting the correct mixture of air and fuel to burn. 5 loaner for a couple days and it ran very smooth also, so I know your car shouldn't run like that. I tried switching it off and starting again but problem persisted. hope you guys know what it is. It seems to be something. Hi There, It sounds like you may have a faulty MAP sensor as the car responds to putting it in gear or. Gets better with A/C or defroster on. Hopefully i get better mpg now but i doubt it with my luck. Rally Sports Car screaming around the track past the mic. Idle speed control valve (ISCV) would be first on my list. Rough Idle When Ac Is On. What is rough idling? If your car's idle is rough, possibly rising and falling, or struggling to maintain a steady rate of rotation, you may have a problem that needs fixing. Only at a stop do I feel a slight shimmy. Plugs are new but checked them anyway and they were wet. Tomorrow I will also check compression on the cylinders. 8 with 69k miles. I have owned a lot of different cars and none of them idled like this--unless something was wrong. Couldn't test the auto stop/start though. Smooth otherwise, but at idle I can feel it. So it was idling okay at a stop light then suddenly got worse? You might have a coil overheating or something wierd like that. Reset the idle to 825 in park and then checked it in drive, 625 rpm. Just adding additional clarification if it helps you come up with an idea that is plausible. Thought it was a coil pack, EGR valve. 0L Rough Idle - Tried everything any more ideas? I have replaced, plugs, IAC, TPS, Crank Position Sensor, removed and completely cleaned throttle body (with sensors out). Rally Sports Car takes off! Rally Sports Car drives around the track and slides into a turn. When I am driving it,it runs very smooth like always. If it's in park or neutral and the AC is running it's as smooth as silk. nissan frontier rough idle ABMforum is the automotive search engine for search forum discussions and car parts. Only at a stop do I feel a slight shimmy. we changed the camshaft sensor, car ran fine. So know the symptoms have changed. From the moment I start the car, cold or warm its vibrating badly on idle. If I came to a stop at an intersection I would get the rough idle while my foot was on the brake. I think there's supposed to be a solenoid that bumps the idle up a bit (or is that just when the AC is on?). Reconnect the plug on the idle motor 7. , I have my foot on the brake, and the car is in Drive (D). And pulls strong beyond 7500 rpm. After pumping the pedal a few times the car started right up this morning. The car will however read new values in and average out over time. Hi All, We purchased a 2011 FG XR6 last year through a Ford dealership in Brissy (had 22000kms on the odo). Why does my car idle rough? When driving it runs smooth and when i'm idling, but the car is in park, it runs smooth, but when i'm idling and it's in drive, it rumbles and grumbles. Hence, after knowing the ways to troubleshoot rough idle when warm problem, anyone. At idle its smooth until I put it in drive. 3t with 40k miles. Has this a relation to my rough idle?. Rough Idling issue with brand new ST Having come from a POS to the ST everything seemed perfect and smooth. It does not idle above about 700RPM when cold or at running temp. The exhaust is also not smooth when idling and its note is pretty rough like misfiring. It only takes a minor problem like a fouled spark plug to cause your engine to vibrate. Once I step on the gas, it runs smooth as a MB should. i put the EGR valve back in and it idles smooth as glass in PARK, but still shakes in DRIVE. 5k RPM then it's smooth. Car has a rough idle. Dodge Dakota Forum for Dodge Dakota trucks with an interactive site including Dodge Dakota Forums, Pictures, Links, Message Boards, and Chat Forum. Timing seems to be fine although the timing pointer is off so I can't be exact with the numbers. 5 loaner for a couple days and it ran very smooth also, so I know your car shouldn't run like that. Lately, I've been noticing a rough idle at stop lights when the car is in drive and the brake is on. I start the car in the morning and everything is fine, if I punch it, it will hesitate a little but will drive off nice and fast. My car seems to drive fine so I just kind of ignore it. And, while it isn't a major rough idle, it simple isn't constant as it is in every other car I've been in. It idles VERY rough, but runs fine from 2K rpm and up. Hello, I am new to this site due to my recent problem I am having with me car. they changed oil, air filter topped the fluids. First off it idles rough, at about the 1200RPM range when cold and between 500-1000RPM when warm. it's. Ran a can of seafoam and the engine felt a bit more stable but not 100%. The readings stored over 10-20 years will suddenly not suit you recently modified car. but it wants to die after running for a while when put back in park. When I am in 6th on the highway at about 70, I can still feel the car pulsating. This made the idle pretty smooth. One thing I want to note: the car gives me a hard bang when I gear into reverse (doesn't make this when in put it in drive) - nevermind if the car is cold or hot. w/rough idle. After the completion of all of these steps, I took the car out for an extended test drive & initially felt that the rough idle was remedied. De-carbed the throttle body and ICV, good for a day then by the second day rough idle again. If your vehicle is falling below or rising above this you may be dealing with an idling issue. Car ran fine for past few months since I got it (even though I had only a few hours of drive time on her) - Installed new exhaust and J tubes. A: Rough idle can be a gray area, and sometimes the root of the problem isn't the engine itself, but the engine mounts supporting it. Rough Idle When Ac Is On. Is that the fix itself, is it worth fixing, what is causing this problem. What has happened is the contacts in the plug have corroded and giving the impression of lower fuel pressure, the ECU compensates by overfueling then as the idle revs increase it cuts the fuel, causing the engine to hunt for a stable idle. But, it is still not consistent when starting. Try leaving your car idle in neutral and adjust the idle down to the same rev's it idles at while its in drive and see if it starts to miss. Car idles rough refers to when an automobile’s engine runs too slowly or it runs erratically while disconnected from a load or out of gear. 2001 ls v8 is shutting down the right bank coils at idle, why? engine idles rough but drives smooth - Answered by a verified Auto Mechanic. Im going to service my car the weekend and try and check everything. I have an 03 sedan as well. Brought it to the dealer- they said they re-set the ECU--- problem's still there. I had a problem with a rough idle and changed the idle valve, seem to sort the problem out but wen I drive car runs smooth and wen I press the accelerator to go faster is starts tp jerk and once I leave the pedal n press again it accelerates proplly. This morning, the car was idling at about 650 rpm. , I have my foot on the brake, and the car is in Drive (D). Rough Idle After Warmup 10-30-2017, 08:40 PM I have this strange issue where my tudor will idle beautifully after just a few minutes of running but once it warms up to normal operating temperatures, the idle is extremely rough to the point where you think that the car might die on you. This is a little odd. > My 04 TC idles rough when in drive and when sitting at a red light. If I were to put it in neutral it idles fine. I got a new clutch and flywheel and when the car is in neutral it idles fine and revs fine with no extra vibrations. My car is also rough and loud at idle I can feel the light vibration from the steering wheel but no hiccup. Then adjust idle down to spec. The IQ while idling in park or neutral is all over the board from zero to 3. Think of How You Drive. Timing seems to be fine although the timing pointer is off so I can't be exact with the numbers. kia forte 1. Monday morning, I went to drive to school, everythings good then once the car has warmed up and idle drops to normal speed, instead of idling when I put my foot on the clutch or put her into neutral, it just stalls. Had same issue on my 98 528i. this is the grey 1984, and no, the chain has never been inspected. Soon after purchase, the rough idle was noticed. Brand new Nismo, less than 2k miles. When i hit the open road then the car is fine but as soon as i hit traffic this rough idles happen. What has happened is the contacts in the plug have corroded and giving the impression of lower fuel pressure, the ECU compensates by overfueling then as the idle revs increase it cuts the fuel, causing the engine to hunt for a stable idle. (By rough I mean unusual vibrations, minor noise from the engine. Recently my car has started to idle roughly and stutter for the first 1-5 minutes depending on how cold it is and how cold it is outside. The car was a little high. However today it randomly decided to do it. Started to have rough idle problem when in drive. 650-700RPM for idle seems hardly acceptable. After the completion of all of these steps, I took the car out for an extended test drive & initially felt that the rough idle was remedied. I have a 2010 Ford Escape and for a few years I've noticed that when the AC is on, the car idles very rough when in drive. SYMPTOMS: Infamous Hard start, getting worse. 2nd was the bottom motor mount was completely shot I'm talking about there was no rubber what so ever. But when I am stopped at a light it feels like my car is going to die. Now I'm thinking vacuum leak, but after that I'm all out of ideas. Once you are driving it runs smooth no problems. That's what warrantys are for. I had a problem with a rough idle and changed the idle valve, seem to sort the problem out but wen I drive car runs smooth and wen I press the accelerator to go faster is starts tp jerk and once I leave the pedal n press again it accelerates proplly. i have a 99 eclipse gst spyder all stock. I have done a bit of research and am stumped !. This started about a month ago. , Honda and Acura, 0 replies Car idles at 200rpm, Automotive, 12 replies Car idles very rough first thing in the morning, Automotive, 69 replies F150 running rough, Ford and Lincoln, 3 replies 95 Intrepid Running Rough, Chrysler, Dodge, Jeep, and Ram, 5 replies. Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stalling. I dont think its the throttle postion sensor because that would give you a different problem. One of the very few gripes I have with this otherwise tremendously reliable car is that anytime I run the A/C the car seems to idle particularly rough (idle speed being about 700 rpm. Stop the engine and reconnect it, as I was advised not to drive the car with it disconnected. they changed oil, air filter topped the fluids. check the Intake Air Boot really close. A tidle, the RPMs are going for 900-700-900 over and over continuously (very rhythmic I might add). What causes a rough idle? A rough idle can be caused by many different car faults. (By rough I mean unusual vibrations, minor noise from the engine. Im going to service my car the weekend and try and check everything. It’s likely you’ve experienced a rough idling vehicle – which just means the car feels rough and bouncy when the engine is running. The best course of action is to take your vehicle to an Omaha auto service professional, but here are a few things it could be…. So then I set the car down and put it in gear and it stumbles and dies. 4) Engine Stalling. This problem started overnight. The car will however read new values in and average out over time. I guess I never really considered it to be an issue. Re: How smooth is your car at idle? (mr. If the idle speed is too low, the engine will stall. The throttle body boot is going to replaced along with the throttle body as a CEL came on for it. The mounts are worn and aged, believe me when I say mine went from feeling like it's idling on 5 cylinders to like i'm in a 75 Cadillac stretch Fleetwood. the engine still idles rough but doesn't stall as much. This is a first for me. A: Rough idle can be a gray area, and sometimes the root of the problem isn't the engine itself, but the engine mounts supporting it. if my car is in Drive but not moving, hence I'm at a red light with my foot on the brake or I'm parking but haven't. I'm at 2700 miles and it still idles rough with the transmission in drive. haven't yet checked the condition of the. I read the write up for VANOS and it mentioned the A/C makes the problem worse. Idle sucks on the car, haven't taken it in yet but it sucks that a new car would idle so rough. Today you can still net yourself a decent one for under $5,000, but chances are it needs some help. Take 5-liter Mustangs. SYMPTOM SUMMARY The engine misses or idles poorly. That's what warrantys are for. It has plenty of power and gets good gas mileage. Dirty Fuel Injector Modern vehicles are fitted with fuel injection systems, which inject fuel into the cylinders to create a mix of air and fuel to burn. The other half I let get sucked into the vacuum line and sit for 15 minutes. A customer with a Mazda 626 and a four-cylinder engine had a very rough engine idle. 2003 Altima 2. SYMPTOMS: Infamous Hard start, getting worse. After it gets to running temperature it begins to idle rough. I drive a 1990 Toyota Camry with a V6. VF claims the smooth intakes can cause rough idle, the intakes do affect flow condition near MAF/P sensors It's been debated here before and I don't want to go down that road again, but if it gets worse its something I'll look into. wherein the drive belt on the engine now turns. Problems with idle speed—things like slow idle, fast idle, rough idle, or stalling after idling for a few seconds—are symptoms that something is wrong with your engine. Your engine could be idling roughly due to a number of different reasons. Plus rental car fees for me ($200). When your car is functioning properly it should run smoothly in all driving modes - moving fast, slowly, stopped and idling. Anytime there may be an issue with your engine, it is crucial to … Car Idles Rough But Drives Smooth- What Happen And What To Do? Read More ». On my way to the airport 2 days ago (bad timing), it started idling rough. This is a Z code car which has the 325hp 390cc big block engine. At the very least change the passenger side mount. The car will fly-very responsive. my car is a 2000. I have an Altima 98 with 68K miles on it, I was on the highway and everything was running smooth, then out of nothing the SES pop out and lots of smoke came out from the muffler whit an intense smell of unburned gasoline, extremely rough idle and great loss of power and obscence bad millage and the car won't go any faster than 40 miles per hour; I managed to reach the city. I took the car in today and was just told that it is normal. Re: Smooth idle, rough acceleration Sun Apr 01, 2012 7:40 pm Alright, a little April update - code 12 is a thing of the past, and I'm no longer throwing code 34. I have done a Seafoam through the tank, full can. Gets better with A/C or defroster on. Diagnosing a rough idle is easier than it used to be. 2003 Altima 2. I > changed the plugs and wires but still not a smooth idle but otherwise drives > fine. It's a 1970 225 with a Holley 1920. If I manually down shift and get the revs high, then I have some acceleration power, but it is still weak. But, it is still not consistent when starting. My car rough idle goes away when i turn on the A/C, RPM's go up to about 800 and everything seems fine. Not sure if related. A failing oxygen sensor can also cause a car to run rough while idling, but it won't affect the car while driving. Rough idle caused by dirty fuel injectors. I know I had a rough idle problem from my IMS gasket after a few months. Sometimes while. When I start to drive it and come to a stop, it idles fine however after about 15-20 min when I come to a stop it starts to idle rough. It idles rough but drives smooth check engine light is on took to oreillys auto parts and put it on the code reader it said 1 and 3 misfire. I find these new style MAF sensors are very sensitive to what is upstream of them. IF it's constantly idling rough I'd take it into the dealer. 8 i have come across a rough idle while in drive parked at lights or stopped in traffic it is slightly there in neutral/park if i bring the revs up to about 1000rpm it dissapears. If your vehicle is experiencing rough idling, you’ll probably know it immediately. if i unplug my MAF sensor it goes to about 1000RPM and the roughness is virtually gone but plug it back in the problem persists(i changed MAF and it did the same). And then I have to drive at least five miles before idle smooth out. The exhaust is also not smooth when idling and its note is pretty rough like misfiring. My 2003 325i has a lot of the same issues described in the thread, rough idle, maybe low idle and intermittent idle RPM hiccups where it dips very low under 500 RPMs. My car has an automatic transmission. Running Problems. Readout shows multiple Misfires on all cylinders but especially on the on 2-4-6. The car runs smooth during normal driving, only runs rough at idle. USUAL CAUSE There are many items that can cause the engine to miss or run roughly. 2007 Mini Super Rough Idle and stalling But Drives Fine. Code was p0304 cylinder 4 misfire. The truck runs fine when it is warm, but when it is cold it runs rough, rich and stalls. I was told my idling valve needs to be cleaned. ) If I switch to Neutral the rough idle subsides. It idles rough and is very loud to drive--the pitch of the mufflers goes up and down with speed-I'm told this is important? All of this stuff has less than 5k mles on it. When I am driving it,it runs very smooth like always. Could anyone else shed some light why this problem would occur?. 5 Altima it idles so smooth it feels like the car isn't even on even with the AC on. you need to learn to let your car warm up propely, if the car hasnt been run for 5 hours or more i'd always give it at least 5 mins to warm up. This usually happens when I'm sitting at a stop light or when the car is in park. Because the car sat for 7 years the valves can have rust which may result in rough idle. Tomorrow I will also check compression on the cylinders. Let's go over each of these causes in more detail and learn how they can be remedied. I own a 98 626 2. The coupe with the 351 Cleveland I just picked up, when its idling it idles rough and raises the RPM off and on but sort of in a pattern, when I'm driving it seems like it surges between 40-45. There is a lack of power under light acceleration, but I can still chirp the tires when I do a WOT. I just looked at the car and it is in excellent condition appearance wise, with no rust, excellent interior and shiny original paint. it runs fine when i first start it, but soon idles low/rough, but only in gear. Today's modern vehicles have sophisticated engine computers that monitor the operation of the fuel, combustion and exhaust systems. 0 tdi bkd pd engine It has started year and a half ago to be very rough in idle (after warming up) so now the time has came to prepere to solve the problem. Car starts fine cold (albeit now with the temps really low it requires some effort) and idles fine cold. If I go back to Drive from Neutral the car will run fine for a while, but the idle will get rough again when I stop at a stop light. Idling and driveability problems can be caused by a variety of issues. This problem started overnight. No check engine light and no pending codes. but yesterday i was in my car (just parked in my driveway) and heard the passenger side seat belt hitting the side of the seat. The idle RPM of a car depends on the type of engine your car has. and said 2 codes camshaft sensor, and P0456 small EVAP leak. Hi I purchased a new 2011 Subarau Impreza 2011 2. Started to have rough idle problem when in drive. For the past months, we have had rough idle upon the first start of the day. But at a stop light/sign it will shake. My Car Shakes While Idling - What now? Your car should run smoothly, whether moving or stopped. What has happened is the contacts in the plug have corroded and giving the impression of lower fuel pressure, the ECU compensates by overfueling then as the idle revs increase it cuts the fuel, causing the engine to hunt for a stable idle. LTFT stayed at zero the whole time. At the end of the drive I ran the car's internal "Key On Engine Running" self test which didn't show any errors. Components in the fuel, ignition, emission and other systems should work correctly. I have a 1996 GMC K1500 5. it wouldn't idle right. Problems with idle speed—things like slow idle, fast idle, rough idle, or stalling after idling for a few seconds—are symptoms that something is wrong with your engine. It feels like maybe it is not running on all cylinders, but that's a wild guess. When you stepped on the gas it would bog down and run rough. One thing I want to note: the car gives me a hard bang when I gear into reverse (doesn't make this when in put it in drive) - nevermind if the car is cold or hot. Its just the initial cold start after it starts dropping down from fast idle that it starts sputtering. The idle RPM of a car depends on the type of engine your car has. Rough Idle in Drive and Reverse but not Park / Neutral I have begun to notice that my car shudders / idles really rough in reverse and drive (progressively gets. After that the car idles roughly until the rpm is over 1000 and then all is fine. And I can even put my ear near the exhaust and hear a slight pop every now and again. anyway, i turned the cam sprocket clockwise about 1mm then tightened the 3 nuts back up and tried it, the idle was better but still not as smooth as i wanted so i turned it clockwise about another 2mm and now the car idles/starts/drives perfectly. For about a year I've had a problem with the. " However, they're closed today so I can't get the car back until Monday. There was what felt and sounded like misfire/pinging today as I started it but this only happened the once and hasn't happened again today. Plenum is attatched to manifold and mounts up to the crossover housing. to be plus 0. However, I've noticed lately that when I turn on the A/C my smooth idle becomes rough and even causes my engine to randomly strongly vibrate. Not as bad, but still there. I guess I never really considered it to be an issue. Engine rough idle problems arise because car engines are demanding. took it to the dealership, who said the plugs were fine. Been lurking for a while finding out amazing things to do with my 940. recently had the timing belt water pump and tensioner done. And my car does the same, but it varies somedays, sometimes the idle is rough others not too bad when in drive, but like your wife when I put it in neutral (Auto) it "smooths" out. Placing a load on it only makes it worse (ie. Rough Idle, like its missing, but then smooths out after driving for a bit. btw , i wouldnt say its rough idle more like vibrating when on Drive and on stop , when car is on motion/ Moving -its smoothPark or Neutral is totaly fine. The idle also slows down and gets rough. When downshifting, you can clutch in, shift to the lower gear and pause to rev match, then clutch out. Once it warms up, I can switch off the engine and turn it back on and it's smooth and there are absolutely no issues (at idle, driving or WOT). Also when i drive down the road it sputters and blows out smoke like there is too. It is intended to help you map out a troubleshooting plan. Car running rough w/ AC on while idling. Over the last two years or so the van had developed a rough idle issue. 0 liter engine, the idle speed should range from 500 to 800 rpm. dont drive till the temp gauge gets above the min. All weekend the car ran fine and there was no fuel smell. The Check engine hasn't been back on since I cleared the code but, I have a rough idle with occasional Surge and bad fuel economy. It starts fine and was idling great previously. I also adjusted the accelerator pump to shoot more gas in as I throttle up and it did smooth it out some, but the engine just isn't running correctly as it transitions from idle to cruising speed. 2001 ls v8 is shutting down the right bank coils at idle, why? engine idles rough but drives smooth - Answered by a verified Auto Mechanic. This problem started overnight. It will actually shake the entire car. Once it warms up, I can switch off the engine and turn it back on and it's smooth and there are absolutely no issues (at idle, driving or WOT). I have an Altima 98 with 68K miles on it, I was on the highway and everything was running smooth, then out of nothing the SES pop out and lots of smoke came out from the muffler whit an intense smell of unburned gasoline, extremely rough idle and great loss of power and obscence bad millage and the car won't go any faster than 40 miles per hour; I managed to reach the city. I started noticing a rough idle about 1,000 or so miles ago. 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?. ZD30 GU 2002 model HELP!! Here is the run down of whats been happening and whats wrong Problem: smooth idle runs like a dream when you rev it to 2000rpm it begins to miss badly and won't go past 2500rpm and blows a LOT of smoke when you rev it. Not to mention that it wasn't always this way. but worse when in drive a stop, and very bad in reverse backing out. Couldn't test the auto stop/start though. It currently has rough idle from 500-700 when in Drive and the brake on. It has refused to start a handful of times and that bothers me but also appears to be par for the. (engine RPM seems to have more to do with the air temp than the. Pulled into gas station with about 50 miles range left in the tank. Rally Sports Car drives towards the mic and stops. It is intended to help you map out a troubleshooting plan. 2) Also interesting is the relationship with engine speed. It still idled a lil rough but not as nearly bad as it has. Once the engine warms up, it runs smoothly and the problem disappears. Now the car started to act up on my way home from work today. Now that's smooooooooooooooooooth! Our 2012 soul does have a "periodic rough idle" but it has never stalled or appeared like it wanted to. Rough Idle / Misfire. It has a very rough idle and no matter how much I turn it down it will always stick around 1500 rpms for about 5 minutes before it goes down to about 900 rpms. That's what warrantys are for. I > changed the plugs and wires but still not a smooth idle but otherwise drives > fine. This is a first for me. AC Delco sparks and wires, K&M filter was JUST put on, rear O2 sensor was just replaced and all of that was after the rough idle started and none of it helped get rid of the rough idle. So know the symptoms have changed. One of the very few gripes I have with this otherwise tremendously reliable car is that anytime I run the A/C the car seems to idle particularly rough (idle speed being about 700 rpm. 5L automatic, and I'm new to the subaru's does the engine idle rough? (but they drove it 2 hours delivered to my local dealer) so it had 180 miles already -- plus whatever test drive miles were already put into it. So my car idles like absolute crap and the revs go up and down while in park but it drives fine when going 30 MPH. Idles rough but drives smooth keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website.