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Questions tagged [rough-idle]

Questions about troubleshooting and solving rough idle problems

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0answers
19 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 ...
2
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1answer
56 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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0answers
63 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
54 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
26 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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0answers
12 views

Loud revving on start up

I bought a 2017 Dodge Journey, 2 wheel drive with the little 4 cylinder engine in it about 2 weeks ago. Haven't even filled it with gas yet, It has 43,000 miles on it so the basic warranty is gone ...
0
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1answer
34 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 ...
1
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3answers
177 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
64 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
28 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 ...
0
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1answer
81 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
138 views

Car hesitate while accelerating at low speed 20-30

Car Model : Elantra GLS 2013 MPI 1.8 6A automatic transmission My car hesitates while peddling gas at low speed (below 30) I have recently changed Timing gear,oil pump, both vvt solenoid , spark ...
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0answers
44 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. ...
2
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0answers
49 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 ...
1
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1answer
30 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 ...
0
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1answer
162 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
17 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 ...
1
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1answer
7k 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 (...
3
votes
2answers
747 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
4k 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 ...
0
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1answer
310 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
162 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 (...
2
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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
votes
1answer
54 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
283 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 ...
1
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1answer
168 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 ...
1
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1answer
5k 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
33 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 ...
3
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0answers
74 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
votes
1answer
306 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
votes
1answer
583 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: ...
4
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2answers
3k 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 ...
1
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2answers
4k 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
votes
1answer
1k 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 ...
3
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2answers
2k 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
votes
2answers
813 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.
0
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2answers
478 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 ...
8
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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 ...
2
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0answers
105 views

How stable should the camshaft frequency be?

I just got my first oscilloscope ( Hantek 1008C ) and I was looking at the camshaft signal on my 98 Mazda 626 GF 2L. It uses a two wire sensor. There is a single bump on the face of the camshaft ...
1
vote
1answer
141 views

Honda dirt bike with clone engine lots of problems

So I have a 110cc Honda trail. It has been getting colder where I live and my bike has been acting funny. first problem: At FULL throttle it starts to sputter and crackle. The second problem: does ...
1
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0answers
657 views

Intermittent low idling 2007 Civic

First time posting. Got an intermittent low and rough idle on my 2007 Honda Civic LX. Will generally only idle low and rough for a stop light or 2 then things will relatively go back to normal. I've ...
1
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0answers
546 views

honda crv 98 idle too low and rough and eventual stall but ok when driving

(Excuse my english) My dad gave me a '98 honda crv. since it came from being serviced after an oil pump failure, it has no power when it's cold I have to press the gas until the engine warms up. I ...
4
votes
2answers
5k views

Should the EGR be activated at idle?

My 98 Mazda 626 2L ATX has a fully electronic EGR valve controlled by the ECU. I've been trying to figure out a rough idle problem for a long time, which gets worse when the engine is under load, ...
2
votes
1answer
864 views

Is a +/- 10-15 rpm idle fluctuation normal?

98 Honda civic ex I'm curious if during idle, it's normal for the rpms to fluctuate 10-15 rpms +/- or if it's supposed to always be steady constantly? My OEM tach doesn't pick up this slight change ...
2
votes
0answers
157 views

2005 Saturn Ion running rough after running for 30 minutes

My 2005 Saturn Ion starts and runs great for about 30 minutes or so, then it starts running rough like the mixture is too rich. I have to let it sit for an hour or two and then it cranks and runs ...
1
vote
1answer
4k views

Rough Idle Only When in Drive with AC On

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. If it's in park or neutral and the AC is running it's as smooth as silk. ...
2
votes
0answers
33 views

2002 Nissan Quest breaking down

I was given the vehicle after it had sat for over 7 months. It sat with 3/4-1/2 a tank of gas. It was not cranked once. It is now idling and running very rough. It doesn't want to accelerate and when ...
2
votes
1answer
1k views

Rough Idle & Stall While Stopped

Make: BMW Model: 535 IS Automatic Year: 1988 Miles: 230K I have a very similar problem to (Automatic: revs dropping then stalling when stopped at lights) The car is fine in just about every ...
2
votes
1answer
11k views

Black water from exhaust, cylinder misfire and rought idle

It is a Skoda Fabia 2006, petrol, 3cylinders 1.2L. Main problem: Rough idle. Misfire at random cylindners. Steam, Water and black carbon from exhaust. (I'm sure it is not normal). Undrivable. ...