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Questions tagged [rough-idle]

Questions about troubleshooting and solving rough idle problems

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Ongoing issues with erratic idle, stalling, and backfiring

I'm experiencing a problem with my 2002 Honda Accord EX 2.3, 4-cylinder. Upon starting, the idle RPM intermittently fluctuates above 1 and drops, and when I drive, it struggles to go beyond 3 RPM, ...
iamdeed's user avatar
  • 101
2 votes
1 answer
58 views

Manual car engine rpm dropped below idle rpm while in neutral

My car is 2007 Toyota Prado GX manual with the D-4D engine. I was waiting for green light so I put my gear in neutral. After about 1 minute the engine rev dropped below the idle rpm by a lot so it ...
Weeboo's user avatar
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71 views

is car idling bad for 21st century modern day car?

I have a 2016 Toyota corolla. I hardly drive anywhere. I have around 92000 km on the odometer. I live in Canada, and therefore, the winters are extremely cold. When winter is in full swing, I turn on ...
crazyTech's user avatar
  • 101
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1 answer
65 views

Occasional stumble while idling

I have a Chevrolet 2008 Suburban 1500 with the V8 5.3L engine. It has been stumbling at idle intermittently. Sometimes it starts fine, sometimes you need to step on the gas to get it to start, ...
TheLabCat's user avatar
  • 183
1 vote
1 answer
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Suburban stumbles at idle, unknown tube spewing black liquid into air intake is suspected cause. Please advise?

I have a Chevrolet Suburban 2008 1500 with the 5.3L V8 engine. A tube that I believe to be the PCV hose is spewing black liquid into the air intake, and the engine is stumbling at idle. The liquid ...
TheLabCat's user avatar
  • 183
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1 answer
124 views

Hesitation/ rough idle for couple of seconds on cold starts

I have a Mitsubishi Montero sport 2003 with the 6g72 3.0l v6 engine. Recently it started to develop an issue where it idles rough for like 2-3 seconds only on morning cold starts. After that the car ...
Hasitha Shan's user avatar
0 votes
3 answers
687 views

Why after AC ON Engine RPM not increase but Engine Load Increased?

I have a Maruti Suzuki Alto K10 (a petrol/gasoline 1,000CC, 3-cylinder engine). Its idle RPM (without AC) is in the 840-900 range, and the engine load is 24-28% range (monitor using ODB2 scanner). ...
Chathu's user avatar
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1 answer
74 views

Are all these engine problems related?

I have recently had a number of issues with my car's engine, which I suspect could be related but wanted to get some thoughts here on whether they are, and what the root cause could be, before I start ...
JustAnotherCoder's user avatar
0 votes
1 answer
1k views

How to resolve P0456 OBDII code?

What 3 things and in order can I DIY for p0456. Hard start after fueling every time and irregular idle when stopping at lights. P0456 and no other indicator lamps coming on. Didn't replace gas cap.
Jessica Tierno's user avatar
3 votes
1 answer
202 views

Timing sounds off, how do I confirm this?

This is a 1997 vauxhall corsa B. I recently had the timing belt changed, by a professional mechanic that I have lost touch with. I find that after not using the vehicle for a week or two, after ...
Jim's user avatar
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Rough idle just at start

The engine on my '04 Chevy Silverado 1500 recently overheated. It now has a rough idle when I start it, which disappears almost completely once I drive it a bit and it gets warmed up. What could be ...
Geo's user avatar
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1 vote
0 answers
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Car runs great until shut off then runs bad until shut off again

2008 dodge Avenger 3.5L 140,000 miles. Car runs great for however long I’ll run it for, until I shut it off for 5 to 15 minutes after it’s up to temp, then if I start it, it runs like shit, Has a ...
Klutch616's user avatar
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0 answers
70 views

2016 Hyundai 70k miles, engine just replaced, now has an engine mis

I have a 2016 Hyundai Elantra that just had it's engine replaced 1k miles ago. After getting it back, at 400 miles the engine started to have a mis. Here are the details... When sitting at a stop ...
Tony's user avatar
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1 vote
1 answer
383 views

2002 Odyssey stalls immediately after starting, won't idle or run

This problem appeared suddenly in my 02 Odyssey. Starts up ok (sometimes with a slightly longer than normal crank time) but once it's started the rpms fall rapidly and the engine shakes violently. ...
Cameron Roberts's user avatar
2 votes
0 answers
250 views

bad idling on my Kawasaki W800

Any help much appreciated, my w800 surges not all the time but sometimes on idle. It goes from 1300 revs down to almost stalling and then back up again but only occasionally, like when stopped at ...
Cliff's user avatar
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1 vote
0 answers
106 views

Ford E150 1994 stalling rough idling and shaking

Having an issue with a Ford E150 1994 van . The issue is that the van stalls , has rough idle and shakes a lot. once the gear is put into drive. I tried a few things I replaced the air intake control ...
arthur kay's user avatar
2 votes
1 answer
606 views

Mazda 6 V6 auto rough misfiring – fuel flow problem?

2007 Mazda 6 3.0L V6 automatic with ~80k miles: Runs "rough," especially while stopped in drive – feels like what I imagine an occasional cylinder misfire would feel like, producing a sort ...
feetwet's user avatar
  • 1,199
1 vote
1 answer
1k views

Rough idle and stop when I first start the engine in the morning

I have 2005' Legacy 2.0 4AT. Problem 1 As I mentioned in the subject. When I first start to the engine it's quickly working but somehow if I try to change gear to D it stops (sometimes it's not but ...
Semih Aydogan's user avatar
2 votes
1 answer
206 views

Leaking fuel injectors on Buick 3800 SFI engine

My 1993 Buick LeSabre 3800 seems to have one or more leaky fuel injectors. During idle, especially when fully warmed up, it idles chuggy, like extra rich or flooding. If I shut it off during idle, it ...
John Canon's user avatar
1 vote
1 answer
140 views

Rough idle, loss of power and unstable RPM's with CEL

I have a auto BMW 330i 2010 UK; The car has not been serviced for almost 2 years (I will be getting it done this week. It was due service when I brought it, and then just never got round to it tbh). ...
Nouman's user avatar
  • 229
1 vote
0 answers
84 views

Vibration when at a stop and in reverse gear, check engine light back on

I have a 2004 chevy classic. At first my engine light was on and i got the O2 sensor fixed at chevy dealership and then it went off. It came back on the next day. I took it back to Chevy dealership ...
Monique Flakes's user avatar
0 votes
0 answers
30 views

Idle up and down while in gear at a stop light but not in park or neutral

Rpm jumping up and down when stopped in gear but runs perfect when in park or neutral. Not throwing any codes. 06 nissan frontier
Nameless1234's user avatar
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1 answer
52 views

Is the AC compressor drawing a large load to the engine causing it to idle poorly?

This is for an 04 Honda Accord 2.4L that's been acting strange. When the car is running and AC is off, car runs fine while driving but when I come to a stop, the engine sort of shudders and RPMS ...
John Wilkkis's user avatar
0 votes
0 answers
436 views

Unsteady RPM when ac is on

Hi guys I have a 2019 Lexus GX460 with a mileage around 8000. Recently I noticed that whenever I turn the ac on in idle, the rpm went up and down every few seconds with loud noises from the engine bay,...
max G's user avatar
  • 1
0 votes
0 answers
28 views

Alternator going out or Power steering.....?

Got a 2009 Honda Accord that's been idling a little rough and shuddering/vibrating. When I turn the steering wheel, RPMs quickly jump from 500 - 1100 and then quick drop down and car sputters like it ...
John Wilkkis's user avatar
1 vote
0 answers
144 views

Rough idle in Ford Capri mk2 1977 V6 with Solex carburetor

I know internet is filled with questions like this but I'm out of options so I turned into stackexchange as a great source of knowledge. So my old green capri has the rough idle. Car data: Ford ...
wojciechz's user avatar
  • 111
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0 answers
49 views

Posibly Wrong Spark plug gap?

So this is an update on my last question, the comments were a mess and I was new to the site I have a 1985 nissan 300zx vg30e and I just changed the spark plugs and its idling really rough and at ...
Ericg's user avatar
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0 answers
127 views

What causes a vehicle to idle so low that it stalls?

My 2003 Mazda tribute is idling extremely low and shuts it self off when stopped for longer than a 30-45 seconds. There is no check engine or anything but I ran a I/M test and it showed these problems:...
Rawley Fowler's user avatar
2 votes
1 answer
5k views

Vauxhall Corsa 2013 with rough idle - P0016 and P0017

I have a 2013 Vauxhall Corsa 1.2 Petrol that is suffering from rough idle. It has 48k miles on it. It previously suffered from the same issue and showed OBD code P00171. This was resolved by ...
Equalsk's user avatar
  • 381
2 votes
1 answer
886 views

I have a 2016 Hyundai accent sport, car dies when it's idling and the A/C is on

The car runs fine otherwise, just shutters and dies if the A/C is on and I'm idling. I put in new plugs and a purge valve, but the check engine light keeps going on and off over the past year. I ...
Lana's user avatar
  • 21
1 vote
1 answer
212 views

Rough idle or slight miss at idle in relation to purge valve

I'm working on a 2006 Chrysler 300, with the 2.7L v6 (the internal water pump one). I just replaced the EGR valve due to a P0404 and surging while driving (verified with a scan tool the EGR valve ...
David Scheiber's user avatar
1 vote
0 answers
407 views

I have a P0172 code Ford Focus, 2005- then I did a freeze frame; what does the following data mean?

My ford focus 2005, Zx3 has been acting up running real rough turning off from time to time, I bought an OBD2 scanner and the P0172 code came up. I changed the fuel filter and the car ran good for ...
Laythesmack's user avatar
0 votes
1 answer
304 views

Rough idling, car stalling in cold, won't start at all after filled up with fuel?

Having a bit of an issue with my 2009 Nissan Pixo - the car stalls intermittently after it's just been started up (it's fine after it has been running for a while though), and it won't start at all ...
dwizzle's user avatar
1 vote
1 answer
4k views

Engine splutters and dies when I rev it at low RPM, but at high RPM it revs fine

My Datsun 240k runs very rough at low RPM, and if I push the accelerator to the floor quickly, the engine splutters and dies. If I slowly rev the engine to about 3200 RPM, and then floor it, it revs ...
Oscar Chambers's user avatar
1 vote
0 answers
228 views

2006 Honda fit erratic idle and vibration when engine is cold and performance problems

I have a 2006 honda fit with a 1.3L i-dsi engine and an automatic transmission. The car starts up ok even if the engine is cold but when i shift it to drive (when cold) the rpm just jumps up and down ...
Son's user avatar
  • 11
1 vote
0 answers
814 views

2012 Ford Fusion Idling Rough

So I got my Fusion about 4 years ago and for about 2 and a half to 3 years, I've been having an issue where it will idle pretty roughly at stop lights and such. However, it RARELY does it at the first ...
tannerb1996's user avatar
2 votes
1 answer
9k views

What can be the reason for rough idle after engine oil change on petrol cars?

I own a L12B Honda Fit/Jazz. I have never felt roughness at idle during my 6 months of ownership. I had oil change yesterday where they drained and filled Honda Recommended Synthetic Oil. My ideal ...
Prasanna Sundar's user avatar
0 votes
0 answers
79 views

Erratic/Unrhythmic idling sound

This is a Suzuki Ritz (Splash) 2011 DDIS Diesel car. When the car is started fresh in the morning, the idling sound is not rhythmic. It varies its slow-speed, say every other second. I have uploaded ...
C--'s user avatar
  • 45
1 vote
1 answer
1k views

Rough idle, Car hesitation (jolting sensation), Lack of Power, No check engine light

I have a 2006 honda fit and i am experiencing some Rough idle, Car hesitation (jolting sensation), Lack of Power in my car sprecially when the AC is on. And whenever i put the car on drive the rpm ...
john natalis's user avatar
0 votes
1 answer
49 views

Idle speed connector issues?

My car idle speed actuator connector has 3 pins. Disconnected the plug from the actuator, and key at on position, and each pins are individually grounded with multimeter, the multimeter reads 12.60 v ...
Thang Tons's user avatar
0 votes
2 answers
988 views

2018 Toyota Camry - Loud Idle When AC is On

I have a 2018 Camry (less than 5K miles), and when it's in gear with my foot on the brake, it has a loud idle. The first time I heard it I was in line at a McD's and I thought to myself, "I hope that ...
Ashley's user avatar
  • 1
1 vote
4 answers
6k views

Corolla idle fluctuation and noise

This is a 2009 1.8 Corolla with 150k km on the 2ZR-FE engine. At idle RPM's cycle up and down by one or two hundred RPM and there is a gasping or rotational noise from the right hand (belt) side of ...
ajayel's user avatar
  • 484
1 vote
0 answers
259 views

Volvo XC60 T6 Petrol+LPG rough idle

I have a problem with 2012 XC60 T6+LPG. Engine is idling roughly, especially when cold. Coil packs are Ok. There is no noticeable vacuum leak in the intake. I can't safely rule out fuel supply ...
flyeris's user avatar
  • 11
1 vote
0 answers
60 views

93 Honda Civic LX - fluctuating revs, poor running

My Civic has done ~246,000 miles and is now running very poorly. While driving down Interstate Car bogs down stalls out and there's smoke from front and back. Spark plugs are fouled out and when ...
Boss cookie's user avatar
1 vote
0 answers
44 views

Engine not rev over 3500 after new ECU installed same number

I have Honda civic vtec 1999 with D15 engine installed. ECU/PCM reporting error and mechanic told me this computing having issue in IC I bought new ECU same number but after connecting, car engine ...
Adeel Mughal's user avatar
0 votes
1 answer
299 views

Pocket bike issues

I have recently just bought a new pocket bike for very cheap, it came with no warranty. It is a 50cc 2 stroke pull start with no gears or clutch. It worked perfectly when i first got it (a few days ...
Jacques Finlan's user avatar
1 vote
0 answers
58 views

Does MAF has something to do with rough idle?

I am trying to solve my cars long issue in idles again. Cleaning the ICV did the trick before but it keeps coming back and I don't know what else to check. Here's the link in my previous question. ...
L42's user avatar
  • 441
2 votes
0 answers
419 views

2007 Toyota Corolla - Erratic Idling at traffic lights

Does anybody have any insight as to why this may be happening? My car stalled and refused to turn on one day while I was at a light, so I had it towed to my mechanic (whom I trust and has been doing ...
A. Campbell's user avatar
1 vote
1 answer
39 views

Car idles a little funny

I haven’t used my car in about 4 days because I was out of town for the holidays. I just got back and when I started my car it started fine but my idle went down to 200-300 RPM, then RPMs went back to ...
gus parra's user avatar
0 votes
1 answer
288 views

2018 Sonata Idle issue

I have a 2018 Sonata that has started to have a rough idle at times when in drive, stopped and with no HVAC on. I had to dealer, they stated there was a misfire and changed one plug and coil. This ...
Joe Bartos's user avatar