Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [fast-idle]

Tag your question with "fast-idle" if your vehicle's engine speed with no gas pedal applied is higher than normal.

When a car is first started, the idle speed will be a little higher than normal until the engine warms up.

23 questions
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Idle gets stuck at 2000RPM

I have a friend with a 1989 Toyota Camry Wagon and the idle occasionally gets stuck at 2000RPM. In order to get the idle unstuck, we have to press down the gas, kick up the revs and then it will settle back down to a normal idle around 1000RPM. I…
Elliot B.
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High revs after changing spark plugs

I have an '07 Chrysler Town & Country. Check Engine Light came on 2 weeks ago, ran the diagnostics : Misfire in cylinder 3. So we changed the spark plug in that cylinder to see if that was the issue and it was. Since you are supposed to change all…
Melissa Cooley Lake
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7
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1 answer

Fast idle when engine is hot

I have a 2001 Buick Century. Lately, after driving around long enough for the engine to get hot, the idle speed will sometimes race. The car will want to surge forward even when I'm not giving it any gas, and will roar when I'm in park/neutral. It…
mrdrbob
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2 answers

RPM wildly fluctuates while idling

Recently replaced the EGR valve, a bunch of vacuum hoses, and removed & cleaned the throttle body on my 2000 Nissan Frontier (manual transmission). The entire vacuum system was clogged with carbon due to the EGRC-BPT valve leaking exhaust…
x0a
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4
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1 answer

Can you clean the idle air control on a 2002 Ford Escape

It looks like this. There are two reasons I suspect the idle air control might be faulty. When you start the engine the RPMs shoot straight up to 4000 for a second or two before going down to normal. When coming to a stop sometimes the idle will…
user875234
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4
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3 answers

2005 WRX Idle RPM Increasing in Traffic

My car is a 2005 Subaru WRX Wagon. It has 120 000 miles and has had all the regular servicing. Last night I did some highway driving and then hit stop/go traffic. After about 10 mins in the congestion the revs started to increase when idling…
Jean-Christophe Rodrigue
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4
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1 answer

2010 Ford Taurus in neutral has higher idle speed

I have this question which really puzzles me. I'm from Europe and used to drive manual. I used to shift to neutral going down the hill to save on gas. Now I moved to the USA and I have cars that use automatic transmission but I was still thinking…
Grasper
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4 answers

Very high RPMs when in neutral and moving - Manual transmission

I have a 2003 Ford Escape, 2.0L, manual transmission. I am experiencing a very strange issue. If I am driving (moving), and shift into neutral, the RPMs will rise up to 3500 about, and stay there till I come to a stop. I am in neutral the whole…
Ben
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Renault Clio 2002 high idling on startup

I have a Renault Clio 2002 and when started it idles at 3000rpm I have been told it could be a issues with the coolant temp sensor as it tested at -30C.
wil
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2014 Ninja 300 idle/throttle issue

Back Story Recently my bike had an issue twice while riding that the throttle seemed like it was sticking. I'd be accelerating and when I let off the throttle, it would continue to accelerate. It happened the first time a few weeks back (not sure if…
kyle_engineer
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RPM rising to 3000 in neutral and Parking gear this happen after travelling 10 to 20 kms

I have Hundai Accent 2011 model with Automatic transmission,after traveling 10-20 kms when I change gear to neutral or park, the RPM rises to 3000 and doesn't come down. I took the car to the Hyundai service centre, they cleaned the carburetor with…
siva
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No fluid under thermal sensor | '89 Jeep Cherokee reserve cooling system won't drain? | Car dies while running? & Car dies without running?

!importantclosed-cooling-systemcherokee-89laredo6-cylender4-liternon-startstalling I'm wondering if the vacuum went bad, or if it could be anything else? !PULL THE METAL LEVER UNDER THE VACUUM WHILE THE CAR IS ENGAGED [STARTING] TO TEST. I think…
Wolfpack'08
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2001 Chevy 1500 Silverado 4x4

I got a 2001 had the 4.8 in it swapped to the 5.3 and programmed it run good for two days changed the idle air sensor and now when you crank it it sputter and rev up to 4000 rpm out the old one back in it and the same thing happened
Corey Whaley
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1999 Ford Ranger with a high idle

Over the past year or so, my 1999 Ford Ranger would slowly return to idle RPM after removing my foot from the gas pedal. At first, the RPM hang only happened during the hot summer months. The RPM hang now occurs when the temperature is cold or hot.…
wbeard52
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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 drive into park. I made sure not to adjust the…
Jack Moresy
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