Questions tagged [idle]

Questions related to the engine running without advancing the throttle.

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Low Idle RPM speed when engine is warm/hot

I drive a Toyota Landcruiser URJ202 (1URFE engine) model year 2012 and I have been having this low idle RPM (500rpm when a/c pump is off) when the engine is hot. No check engine light & fault ...
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43 views

2000 Ford Focus zetec no idle after engine mount failure

I’ve been working on a friends 2000 Ford Focus/Zetec engine, he had his motor mount fail on him while driving which he fortunately stopped driving, after inspection I noticed that the engine had ...
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2006 ford 500 hesitation/lose of power when accelerating and more so when ac/heat is on

I have a 2006 ford 500 and having lose of power when accelerating, gets worst if I turn on ac/heat. Just started doing it a 2 months ago and it’s not getting any better with new mass air flow, fuel ...
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old American car started stalling on idle after long maintenance in a shop. What could be the causes?

Early 90s Buick, car has not stalled in a long time. After extensive maintenance which fixed injection issues, suddenly acquired distinct stalling on idle behavior. Starts ok in traffic, but still ...
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6 votes
4 answers
2k views

Engine start is OK but dies when applying throttle

Triumph Tiger 900 (1994) The engine starts fine and idles with choke. When I reduce choke and try throttle it just dies. Regardless of choke position, when I throttle, the engine dies. Thus, I cannot ...
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After starting 2008 Suburu Tribeca, revs drop when idling after tapping on accelerator

After starting a 2008 Suburu Tribeca (automatic), the engine idles at around 1600rpm. Even if I leave it for a few minutes, the revs don't change. But, if I even slightly tap the accelerator, the revs ...
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41 views

Engine stalls only in hot whether when starting

I have a VOLKSWAGEN JETTA 2015 (Petrol) with 100,000KM approximately. It normally drives perfectly alright except when it's hot outside. If the whether is hot outside, the car stalls when starting, so ...
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Higher idle after throttle body cleaning in 2009 rav4

I had idle issues so I cleaned the throttle body after noticing quite a lot of carbon buildup. Before cleaning the normal idle was 700, but now it idles at 950 and increases to 1050 when taken out of ...
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Car Idles Really High Sometimes

I have a 2002 Ford Explorer 4.6l V8 (Automatic). I have this issue were randomly my car will idle high. I start it up and the rpms go to 2500 and eventually get down to 2000 which is a bug jump from ...
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4 answers
101 views

how much does it cost to turn off the ignition to save gas?

Sometimes I am sitting in certain types of traffic where there are lines of cars that don't move for a minute or more then only move forward a couple car lengths. This is not on a highway but in ...
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1 answer
138 views

Elusive cause to a lumpy idle

Having been around cars for a long time, this has me stumped. 2005 Renault Megane Estate with 1.4 K4J engine. Approx 125 000 km. Engine is restless at idle. Revs are unstable and feels like misfiring. ...
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2000 Ram van 3.9l overheated and now runs very rough

First, the belt came off and damaged a vacuum valve inline on the heater core hose. Valve broke and was replaced with straight half-inch pipe temp. But I still don't have heat. Then the upper radiator ...
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1 answer
55 views

(2005 Jeep Grand Cherokee) P0420 Code, Heater not getting hot, and low idle after warming up

I have a 2005 Jeep Grand Cherokee that has a P0420 code which has recently shown up. I am not sure how long the heater has not been working as I live in GA and have just begun to start using it but ...
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95 Chevy Monte Carlo LS 3.1 idling high in park

Upon cranking, car immediately shoots to 3000rpm and hold. Only drops down after I put the car in gear. Even then, pressing the accelerator the car tends to stall sometimes, as if its flooding itself ...
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GMC Envoy stalls when air conditioner is on and idling

2004 Envoy only dies when A/C is on and idling if it is in park or neutral no problem. Also will not crank after fueling once started will continue to turn over till refueling again. And service ...
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1 vote
1 answer
555 views

Engine runs with carburetor's idle mixture screws closed [duplicate]

I have a Rochester Quadrajet on my boat and have been attempting to tune it. It seems that I'm getting too much fuel in with my mixture as I'm blowing black smoke. If I close the mixture screws ...
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185 views

steering wheel vibration only when the engine is warm

my car is a 16' BMW 750i (G12) with 26,000 miles on it currently. When I first start the car, there is absolutely zero vibration at all, but I'm starting to get a vibration only through the steering ...
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1986 Dodge B250 - sudden fast idle and low "thudding" sound from exhaust

My 86 dodge van with the 318 engine recently acted up shortly after starting. This is a carburetted engine with an automatic transmission. I was letting it sit at idle to bring the engine up to ...
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2 votes
0 answers
55 views

Carburetor adjustment ordeal: always rich on mid/high revs

So I'm trying to adjust a soviet K-22G carburetor which was placed long time ago in a Chevrolet 235 6L engine. It "works" but I don't seem to find the right spot to make it run as it should. ...
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1 vote
0 answers
260 views

Possible causes of rough idle after changing Oxygen sensor...?

Got a 2005 Acura TSX 2.4L that I changed the upsstream Oxygen(Air/Fuel ratio) sensor after the check engine light came on. Since than, the car has never run the same. Engine idles very poorly (...
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1 vote
1 answer
228 views

Polo 6 1.4 overheating at low speed and idle

Polo 6 1.4 2012 model overheat at idle or slow speed. When i drive in traffic it overheats. If I drive fast, it immediately starts to cool down again. I took it to the mechanics, they diagnosed and ...
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Why does the engine of some cars idle faster when the car is moving?

This is not a defect. It is a feature implemented on purpose. I've driven other cars that did the same thing. When in neutral, the idle speed changes from 750 rpm to 900 rpm when the car starts moving....
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76 views

Turning on rear defroster makes idle RPM stutter

I have an e46 BMW and I recently noticed a problem which hasn't occurred before. While at a stop if I turn on the rear window defroster I notice that the engine idle RPM starts to stutter (goes down a ...
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1 answer
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Check Engine light came on, turns out, i had a bad battery but it threw a bunch of codes?

Okay, so I drive a 13 Hyundai Genesis Coupe 2.0T. Last night my check engine light came on. I took it to advance auto today to have the code read. It threw a bunch of codes which were Throttle ...
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Idle goes up and down [duplicate]

I buy my first real motorcycle!It is awesome but on idle rpm goes up and down.It’s scares me because it’s injector motor not chinese.Can i drive with it or thats not nice for engine?Does someone now ...
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38 views

Rpm goes up and down on idle

I buy my first real motorcycle!It is awesome but on idle rpm goes up and down.It’s scares me because it’s injector motor not chinese.Can i drive with it or thats not nice for engine?Does someone now ...
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1 vote
2 answers
2k views

How about how many amps does a vehicle pull at idle

Assuming the lights and stereo are off, how many amps can you expect an idling vehicle to pull? In this particular case I'm wondering about an F350, with flexfuel engine?
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2 votes
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Powering a large electrical load with an alternator and high idle system

I have to install an inverter in a work truck that will power work lights, some power tools, and other equipment too be used while the truck is parked. I've calculated the load to be at max 750 watts, ...
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Peugeot 206 2002 16valve twin Cam will not idle. What controls the idle. It doesn't appear to have a stepper motor Help

It is a two door coupe and it will not idle i don't understand why. It doesn't appear to have a stepper motor that i can see
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3 votes
1 answer
101 views

93 Eurovan - Accelerator pedal/stalling issues

Recently picked up a '93 Eurovan Automatic. It has had a couple of issues since I've owned it. Currently driving across the US after being told the van was mechanically alright. There are a couple of ...
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1 answer
347 views

Engine stalling while idling (Honda Fit 2007)

I have a 2007 Honda Fit Sport. When idling (e.g, at red lights), my engine often dies. It seems to happen at least once per day. It has about 70k miles, and is in otherwise good condition. From ...
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1 vote
0 answers
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Benelli 600i - Hanging Revs when decelerating and idle surge but fixes after restarting the motorcyle

Having this strange issue lately where the RPM hangs when closing the throttle or drops slowly. The idle also surges to around 2k rpm. As weird as it sounds the problem seems to go away when I restart ...
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2 votes
0 answers
569 views

Scooter stalls when idle

I have a 1995 Yamaha Zuma sports scooter. It's a 2-stroke 50cc. Approx. 13,000km. It hadn't been used in probably more than 10 years. I recently cleaned out the carburetor and put fresh fuel and oil ...
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24 votes
7 answers
8k views

How slow ( not zero) can a car engine run without hurting engine and saving on fuel

New cars have stop-start system (even though this has been available for a long time). My question is: why are car companies emphasizing shutting the engine down at a traffic light, rather than making ...
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0 answers
188 views

Rough Idle - Car feels like it will stall

2008 Mazda 2 1.3 25000 miles. The car drives fine with no issues, but when it is warm/hot, it feels like it is going to stall at idle. The needle drops to 0 revs but it 'catches' itself and doesn't ...
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1 vote
1 answer
1k views

Loud humming noise from the back of the car when idle

Last year, after driving a long distance (about 200km), my 2013 Kia Cee'd started making a high pitch humming noise. It was loud when I was stopped but completely drown out by the engine noise as when ...
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1 vote
1 answer
58 views

Fuel was chocking while entering into the carburetor

I'm having an old model TVS Scooty ES, as the petrol was chocking while entering into the carburetor. After cleaning the carburetor and replacing a new spark plug and I had neither rotated the Air/...
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1 vote
1 answer
83 views

2006 Honda Civic hybrid low idle

I changed my air intake and everything seems fine except I noticed my idle is below zero rpm now the car feels fine. Is the car not use to the normal amount of air it's getting now? It seems to be ...
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0 answers
18 views

Vehicle not doing slow running

My highlander 2004 slow run is fine before taking for repair on the vvti cam shaft replacement.this was meant to correct the rattling or knocking sound from the engine v6. Firstly the mechanic ...
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4 votes
3 answers
18k views

Unable to accelerate after jump starting

I apologize in advance for the long question. I want to make sure I'm as detailed as possible. Today I discovered my Toyota 2009 Venza completely dead (kids left the rear passenger lights on... I ...
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1 vote
0 answers
172 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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0 answers
28 views

Engine can't keep idle after reving it too much

I have a motorcycle, ktm, and when I start it, no gear, if accelerate it over 10k rpm, when it tries to go back to idle, the engine stops, because the rpm go way too low. What can it be ? Inyector ? ...
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1 vote
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11 views

Random high idle wont decrease speed when driving sies when still

2004 chevy trailblazer ls erratic idle speed, sluggish power when increasing speed, high power preventing speed to decrease bellow 35 when decreasing speed without breaking hard, last obd2 freeze ...
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1 vote
0 answers
44 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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2 votes
1 answer
107 views

Engine RPM of 1200 when cold and gradually rises to 1500 when warmup

I pull off the cylinder and replace the head gasket with timing marks march up correctly on Nissan Qr20 30t. when i start the engine cold the rpm goes to 1500 and start to come back to 1200, and as ...
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0 votes
0 answers
108 views

Driving on 3 cylinder

So I have a 4 cylinder engine however one of the piston is stuck And will not fire... That being said we have been driving this rough car for months no other problem other than the "skipped" piston ...
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1 vote
2 answers
805 views

My scooter died yesterday on my way home from work

I recently bought a 125cc Honda scooter. I was driving home yesterday when it suddenly just cut out. Now it only starts if I keep the throttle open. The moment I let the go of the throttle it dies ...
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1 vote
1 answer
336 views

What is the best cleaner for ICV?

I got a mazda 323,DOHC engine - B6DP, (non carburetor type). Every PM (usually yearly), I have the mechanic clean the ICV. They are using the carburetor cleaner to clean it and remove the accumulated ...
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0 votes
2 answers
251 views

Cold start idle issue

I have a v6 Toyota Camry. During cold mornings whenever I start the car it idles very low (200-700rpm) fluctuating swiftly and almost stalling. Also lights dim whenever the idle drops quickly then the ...
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1 vote
0 answers
25 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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