High revs when starting, idles HIGH (almost 2000 RPM) for about 15 mins then backs down to 1500 RPM now and then it will go tickover but if you go to chang gear ti keeps at 2000 revs and drops down slow my car is the 806

Question 1

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1997 acura cl 2.2 revs up to 1500 rpm and down to 1000 rpm just several seconds after start

Cars are design to run at a higher idle at start up to warm them up quick. There is a sensor that reads water temperature and tells your car's computer how fast to idle. Your RPMs seem slightly high but not out of the norm. Does idle ever drop to around 600/800 after about a minute? If not, your engine temperature sensor maybe defective.

Mar 16, 2014 • Acura Cars & Trucks

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98 explorer 4.0 SOHC wont idle and stalls when weather is below 40 degrees. worse when colder. Just had tune up, new airfilter new fuel filter but problem did not get better.

you have a bad idle air control valve. its job is to have motor rpm high until the motor warms up then turn it back to normal.

Jan 23, 2013 • 1998 Ford Explorer

0helpful

1answer

Volvo v 40 non gdi high revs constant

Still think ot vacuum related .This will push the revs up sky high .Get a good cigar and pulloff a vacum pipe .Take a good puff on the cigar now puff the emoke down the vaccum pipe .Now do you know what your looking for .You got it ,,, smoke ,,,,than you have found the leak.Thats if you have one ..Can you get a obd check it will tell you what it is ..Thermostat removal wont change the engine revs

Nov 01, 2017 • 2000 Volvo V40

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1answer

Engine idles up and down radicaly when first cranked , check engine light is on auto-zone put their reader on truck and it pulled up code for mass air flow sensor, so i replaced it still no change.

your idle is compensating for poss air leak like vac or idle air motor,does it settle down as it warms up .if so then a poss coolant sensor is thinking that it is 50 below.hence a very rich mixture and a idle which will hunt.idle air motor maybe plugged with carbon.also disconect the battery for couple of mins.start and hold idle high about 2000 rpm for 5 mins if all above does not work.

Dec 21, 2010 • 1999 Chevrolet Silverado 1500

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2answers

Rev count for 2009 corolla pro. goes up when engine starts even when the car is not moving. Is that normal?

High idle indicates that the engine most likely has a vacuum leak. This could be due to many causes; cracked hose or hoses, bad gaskets..ect. Hard to say exactly without more info, but you can open the hood and inspect the vacuum lines for damage or cracks. It is a 2009, so it probably is not something major.

Jun 09, 2010 • 2009 Toyota Corolla

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1answer

Rover 414 sli,1995,Tickover is high and inconsistent, fluctuating

try your idle control valve/sensor

Nov 03, 2009 • 1999 Honda Civic

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1answer

Focus 1.4 zetec idle tickover is about 2000rpm

sensor problem,without the right equipment it will be cheaper to put it in the dealers

Jul 09, 2009 • 2000 Ford Focus

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1answer

High idle.

try clean idle speed control.

Jul 02, 2009 • 1986 Mercedes-Benz 190

0helpful

1answer

High rev after cold start

I would agree.

Jul 01, 2009 • 2000 Jeep Grand Cherokee

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1answer

Eclipse won't idle .

Throttle body, IAC or EGR valve.

Mar 12, 2017 • 2003 Mitsubishi Eclipse Coupe

Question 2

ZappaNut

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Posted on Dec 01, 2008

ZappaNut

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Being a fuel injected engine , there are many reasons this could be happening.
from the top , lets check the Manifold Absolute Pressure (M.A.P.) sensor , as it is easiest.
Find the MAP sensor , it has a couple a wires and a vacuum tube going to it and is on the firewall or fender support under the bonnet.
Disconnect the wire harness from it (small plug with wires).
If the engines RPMs drop to normal , replace the MAP sensor.

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High revs when starting, idles HIGH (almost 2000 RPM) for about 15 mins then backs down to 1500 RPM now and then it will go tickover but if you go to chang gear ti keeps at 2000 revs and drops down slow my car is the 806

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ZappaNut

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Related Questions:

1997 acura cl 2.2 revs up to 1500 rpm and down to 1000 rpm just several seconds after start

98 explorer 4.0 SOHC wont idle and stalls when weather is below 40 degrees. worse when colder. Just had tune up, new airfilter new fuel filter but problem did not get better.

Volvo v 40 non gdi high revs constant

Engine idles up and down radicaly when first cranked , check engine light is on auto-zone put their reader on truck and it pulled up code for mass air flow sensor, so i replaced it still no change.

Rev count for 2009 corolla pro. goes up when engine starts even when the car is not moving. Is that normal?

Rover 414 sli,1995,Tickover is high and inconsistent, fluctuating

Focus 1.4 zetec idle tickover is about 2000rpm

High idle.

High rev after cold start

Eclipse won't idle .

Not finding what you are looking for?

1991 405

1997 acura cl 2.2 revs up to 1500 rpm and down to 1000 rpm just several seconds after start

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Trustworthy Expert Solutions

High revs when starting, idles HIGH (almost 2000 RPM) for about 15 mins then backs down to 1500 RPM now and then it will go tickover but if you go to chang gear ti keeps at 2000 revs and drops down slow my car is the 806

1 Answer

ZappaNut

Add Your Answer

Attachments: Added items

Related Questions:

1997 acura cl 2.2 revs up to 1500 rpm and down to 1000 rpm just several seconds after start

98 explorer 4.0 SOHC wont idle and stalls when weather is below 40 degrees. worse when colder. Just had tune up, new airfilter new fuel filter but problem did not get better.

Volvo v 40 non gdi high revs constant

Engine idles up and down radicaly when first cranked , check engine light is on auto-zone put their reader on truck and it pulled up code for mass air flow sensor, so i replaced it still no change.

Rev count for 2009 corolla pro. goes up when engine starts even when the car is not moving. Is that normal?

Rover 414 sli,1995,Tickover is high and inconsistent, fluctuating

Focus 1.4 zetec idle tickover is about 2000rpm

High idle.

High rev after cold start

Eclipse won't idle .

Not finding what you are looking for?

1991 405

1997 acura cl 2.2 revs up to 1500 rpm and down to 1000 rpm just several seconds after start

Related Topics

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