Questions tagged [idle]

Questions related to the engine running without advancing the throttle.

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3answers
8k views

Fast Idle and High Fuel Consumption

I just bought a Manual 97 Mazda Lantis 323 1.8L DOHC 16 Valve BP and I was amazed that it went through 1/4 tank gas ( about 12.5 liters or 3.3 gallons ) in one day after about 60 kilometers / 37 miles ...
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2answers
2k views

Can an Idle Control Valve cause backfiring and can it be cleaned

I am pulling codes for my engine indicating a faulty idle control valve. The vehicle at idle seems to hunt jumping between about 800rpm and 1100rpm. It happens maybe every 20 seconds. If I accelerate ...
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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
7k views

Oil pressure light and vehicle idle

I have a 2005 Ford Escape XLT, when the car is in idle it will have a vibration and the oil pressure light will come on. When the car is moving, there is not a problem. I checked the oil, there is oil ...
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1answer
102 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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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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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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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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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
1k views

Land Rover Defender L316 2.4TCDi starts and stalls almost immediately does not idle

2010 Land Rover Defender L313 platform Vehicle almost as good as new less than 20,000KM on the odometer Bought brand new a few years back with just 10KM on the odometer Has done just two oil ...
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2answers
6k 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 ...
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1answer
852 views

What is the normal (expected) idle on 1999 Chevy Blazer 4.3 V6

What is the normal (expected) idle under normal weather conditions. I think my Blazer idles too high even in the summer days. The current readings are about 1000-1100rpm cold and 600-700rpm warm. It ...
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2answers
443 views

What is the name of this Idle Mixture Screw Plug?

My car is a 1987 Toyota Tercel DX Wagon 1452cc 2bl manual driven car. Carburetor of it is a Aisan 14120 Two Barrel carburetor. I have disassembled my Carburetor for repair. Idle Mixture Screw lies ...
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1answer
6k 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. ...
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1answer
5k views

Car vibrates when in idle, especially with AC on

A few months ago I hit a curb with my automatic 2013 Honda CVR (don't drive tired). Since then, my car vibrates enough to make me nauseous whenever it is not moving. I got it checked, they said it is ...
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1answer
678 views

2000 Dodge ram wont idle!

I am working on a 2000 Dodge Ram 1500 4x4 with the 5.2 auto in it.. I have tried everything i can possibly think to fix it. It always starts, and drives down the road, but will not idle unless i pull ...
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1answer
334 views

98 honda accord 3.0 v6 bad idle, running issue

I have a 98 accord v6 that will jump idle between 1k and 2.2k rpm. When driving this is not too much of an issue until the transmission down shifts then the engine tries to catch up. Getting ...
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1answer
131 views

engine speeds on startup (wont idle) after sitting for years - 1986 honda civic

Engine speeds on startup (wont idle) after sitting for years - 1986 honda civic. As soon as I turn the key on it will keep speeding up higher & higher.
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1answer
3k views

How do you adjust the idle on a 1981 Suzuki GS 650 GL?

I'm asking this for a friend, so if you need more details, I'll have to ask him. He brought his bike with him when he moved, and with the elevation change, the idle isn't high enough. How can he ...
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0answers
23 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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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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0answers
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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0answers
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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0answers
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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0answers
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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2answers
996 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
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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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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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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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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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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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
44 views

Engine stalls if giving gas (just for about 20 seconds after startup)

When I start my Peugeot 106, it will idle fine, but if I give gas it will stall. If I give just a bit of gas, after about 20 seconds the engine starts to run properly. I unmounted and cleaned the ...
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2answers
109 views

Mercedes 2003 unpredictably shudders and acts like it's going to stall at a stop light, then hesitant to accelerate

My 2003 Mercedes has acted like it's going to stall at stop lights occasionally for the last few months-shudders at stop signs, then recovers. Today I rev'd it in neutral out of fear it would stall. ...
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0answers
68 views

2009 Kia Spectra P0507 code thrown after alternator replaced at the shop

Have a Kia spectra, 2009, and just had the alternator replaced at the shop, it started a little hard and idled a little low off the bat, drove it 25 miles home, idle seemed a bit higher than normal ...
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1answer
325 views

Ford explorer idle problem

My 96 explorer will idle about 400 at a stop sign and 1000 at the next stop sign what would cause this
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1answer
200 views

1996 Chevy Silverado losing power [closed]

My 1996 Chevy Silverado started jumping when at idle, then when moving started to lose its power when you step on the gas. While idling, you have to put it in neutral and keep foot on the gas until ...
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0answers
133 views

Rpm falls below idle when declutching at high rpm

I've got this problem that I can't find the cause of. When starting the engine, which goes very easily, it idles smoothly and stable, rising the rpm a bit still gives no problems. But when driving at ...
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2answers
1k views

Mk1 VW Golf/Rabbit - Engine idle fluctuates at random times

I have a Mk1 VW Golf/Rabbit with K-Jet mechanical injection. Occasionally when I pull up at stop lights the engine idle will rhythmically dip and climb (between 600 and 1200 rpm). This probably ...
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3answers
20k views

Peugeot 308 Anti Pollution Light and engine rev drop with odd sounds (video)

I have a 2008 Peugeot 308 1.4 petrol. I got this car a few weeks ago, and ever since I got it, I seems to have a problem with the anti-pollution system. The anti-pollution warning light comes up to ...
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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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2answers
240 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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1answer
12k views

Will sleeping in my car damage it in any way? [closed]

Is it dangerous to take a nap in a car, while leaving the engine idling? I've heard that parking garages are a bad idea, but I assume that being outside gives it area to dissipate. I will be sleeping ...
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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
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 ...