Questions tagged [idle]

Questions related to the engine running without advancing the throttle.

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24 views

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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26 views

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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14 views

How should “Torque request” in scanner live data look at idle?

Recently was pouring over some live data and noticed the torque request at idle was sitting at -38 to -40. Im curious to find out more about this, is it a sign of retarded ignition? timing? eat.
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4answers
89 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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1answer
76 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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3answers
45 views

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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1answer
27 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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13 views

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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14 views

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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1answer
260 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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99 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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17 views

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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48 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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238 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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1answer
104 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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47 views

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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55 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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1answer
859 views

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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16 views

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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31 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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2answers
998 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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0answers
45 views

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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31 views

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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1answer
72 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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1answer
278 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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68 views

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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0answers
448 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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7answers
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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84 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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1answer
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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1answer
49 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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1answer
64 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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16 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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3answers
12k 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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0answers
138 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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27 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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0answers
10 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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0answers
41 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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1answer
85 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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89 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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2answers
709 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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1answer
323 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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2answers
223 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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0answers
19 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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2answers
241 views

Turning off vs idling?

Which would cause more wear and tear on a vehicle, turning off and on multiple ~7-10 times a day or idling for 10-20 mins ~7-10 times a day? I use my personal vehicle for work and I'm trying to do ...
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2answers
97 views

8th Honda civic engine rotations surges

Due to bad gasoline on the highway the spark plugs are worn. There was an evacuation of the car and then it got to the mechanic. Old spark plugs (iridium) were replaced with new (iridium too), after ...
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1answer
20k 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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0answers
37 views

2005 Ford E150 Econoline

hope someone can help with this. I have what seems to be a strange problem. When accelerating to at least 2400 RPM in 1st gear and then completely removing my foot from the gas, the engine RPM ...
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0answers
22 views

F350 idling off and sputtering and small jerks as I drive

Haven't had the truck long it's a 1996 Ford f350 with7.5 liter engine it just filled gas tank so full or empty runs the same it is jerking small little jerks as I drive and it has no idle gage so I ...
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0answers
3k views

Where can I find idle control valve on Renault Megane 2 (2005, 1.6l)

I'm having trouble keeping my engine on while on idle. First it starts of nicely, runs on idle for about 10 seconds and stalls. Next starts stall almost immediately if I don't keep the gas pedal down ...