Questions tagged [rough-idle]

Questions about troubleshooting and solving rough idle problems

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18 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 ...
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25 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,...
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16 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 ...
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0answers
26 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 ...
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19 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 ...
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26 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:...
2
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1answer
80 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 ...
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1answer
25 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 ...
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1answer
29 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 ...
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0answers
72 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 ...
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1answer
47 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 ...
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1answer
54 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 ...
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33 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 ...
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0answers
83 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 ...
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1answer
1k 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 ...
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67 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 ...
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1answer
194 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 ...
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1answer
36 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 ...
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1answer
88 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 ...
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3answers
963 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 ...
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0answers
89 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 ...
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0answers
33 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 ...
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0answers
29 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 ...
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1answer
120 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 ...
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0answers
47 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. ...
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0answers
53 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 ...
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1answer
31 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 ...
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1answer
192 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 ...
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0answers
18 views

Low idle after adding gasoline

This has happened twice now. My 2000 toyota sienna runs fine until I went to add gasoline. Upon startup, my idle was immediately much lower. I can rev throttle and it sounds smoothly until I release ...
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1answer
12k views

Engine revs up when in park

I have a 2001 Saturn SC2, and occasionally when I put it in park after driving, it will rev up at a steady pace and just keep raising up the rpm, it does not stop unless I either put it back in drive (...
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2answers
1k views

Low idle while on Drive - Lexus LS430

Today I noticed something annoying on my 01 UL LS430, The RPM rate drops to around 500 when I set the transmission to "D" along with a slight vibration and strangely. If i change that to P, N. or even ...
5
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1answer
6k views

Idle speed is wrong after replacing battery (2006 Camry)

I have a 2006 Toyota Camry. I replaced the battery the other day which I noticed was getting weak. The battery was disconnected all of 10 minutes. After, it idles too low. It shudders pretty bad and ...
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1answer
370 views

My Toyota corolla 2008 Rough idle.

My Toyota corolla 2008 is idling rough when I on AC, but when the car is moving everything becomes fine. I just replaced a clean intake manifold. What could be the problem? Any idea plz.
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0answers
177 views

rpm's drop when stopped

2000 SOHC automatic ford focus...new plugs wires coil pack oxygen sensor...IAC cleaned throttle sprayed with cleaner and seafoam used.....EGR checked. Car runs perfect except when I stop at lights (...
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3answers
2k views

Brand New 2018 Hyundai Sonata with rough idle

I have a brand spanking new 2018 Hyundai Sonata that as soon as I drove it off the lot I noticed it idles rough. Not horribly, but very noticeable. Not only do the RPM's drop a little but you can ...
3
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1answer
65 views

High Idle in Tata Manza, occasionaly

I have noticed that the diesel car idles high (1400-1600 RMP) in Idle. This is occasional and some times the engine check light comes on and goes off. scanned the system, but was not able to find ...
4
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1answer
373 views

98 Mazda 626 GF 2L ATX zero ignition timing at idle?

My 1998 Mazda 626 GF 2L ATX has zero ignition timing at idle when fully warmed up causing a rough idle condition. I've replaced the faulty O2 sensor with no effect on the retarded timing and replaced ...
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1answer
217 views

Suzuki Baleno station wagon, year 2000, camshaft sensor error, difficult idle with warm engine

Here is my problem When driving for a while in city traffic (stopping/accelerating a lot), check engine light turns on and the car starts to lose RPM at idle and wants to stall. It also wants to ...
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1answer
7k views

sudden extreme rough idle, no codes but several recent issues

I've suddenly had issues with my car, a 97 Maxima, over the last week. No issues at all before these events. First, last thursday a coil went bad which produced #2 cylinder misfire and ignition ...
2
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1answer
34 views

'92 Lumina needs throttle input to stay running

My 1992 Chevy Lumina 3.1 starts very rough; you have to press on the throttle to start it and it sputters - almost dies - in gear. I put a new fuel pump in a couple months ago and today I put a new ...
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0answers
85 views

2011 Chevy Impala was inactive with dead battery for 3 months! I have tons of problems now! Help!

In late December 2017, I discovered my 2011 Impala wouldn’t start. My boyfriend and I jumped it with our other vehicle and it worked. We disconnected the cables and left it running for a while. We ...
5
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1answer
359 views

Revving Hyundai Elantra GT

I have a 2001 Hyundai Elantra GT. As of late when I start it up it idles rough for a few seconds, then revs up to 4000RPM and back down to 1000RPM. This continues until the ignition is switched off. ...
2
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1answer
799 views

Squealing and uneven idle, then tachometer drops to zero but engine keeps running

When I start my car, a belt seems to slip and then the tachometer reads zero RPM but the engine keeps running, but has weak power and only runs at low RPM. Any idea what's going on? The Symptoms: ...
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2answers
5k views

Noisy Power Steering Pump on a Cold Start

I've occasionally noticed that on a cold start the power steering pump will be a bit noisy. I've only noticed it a few times over the past few years, but yesterday I was under the hood right after ...
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2answers
5k views

Suzuki Swift Bad Idle

I am having trouble with my Suzuki swift`s bad idle 2009 (Engine M13A - Transmission Manual ). The original problem was when i left the clutch in first gear to start from a stand still the rpm ...
2
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1answer
2k views

2010 Nissan Sentra - Idling rough in reverse, occasionally stalls when stopping

Been having an issue with my 2010 Sentra where the idle in reverse is very rough and has very little power. As well when making abrupt stops in drive the car will occasionally stall, but start back ...
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2answers
3k views

vw jetta 2008 starting problem - idle problem

I have a VW Jetta 1.4tsi 122 (2008) and it has a strange behavior. First of all, a have noticed that it doesn’t keep the same rpm when runs on idle. For example, when I stop at the first traffic ...
5
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2answers
933 views

Does this harmonic balancer / crankshaft pulley look damaged?

Does this harmonic balancer / crankshaft pulley look damaged? To me it looks like the rubber between the inner and outer parts is at least cracked if not completely separated.
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2answers
747 views

Bike's rpm increases after short ride

My bike's rpm increases after a short ride of 5 kms such that it moves forward even if the throttle is in its resting state. I know there is a throttle movement adjusting nut but not sure should I ...
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1answer
1k views

Rough idle only under load

I'm going to describe the symptoms with a very short history, some preliminary theories ( based on past work I've done on this car ), the data I've gathered and what, if any, conclusions I might draw ...