Question about 2003 Chevrolet Cavalier

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My 2003 cavalier stalls at idle only when it is 25 degrees or below does it when the car reaches temp...i cant figure it out and no one pleeeaassee

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Replace engine coolant temperature sensor,

Posted on Dec 13, 2009


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Check for broken breather hose from valve cover and follow it under the intake. You may also have a ruptured diaphragm crankcase ventilation valve (vac leak), bolted under intake manifold.

Mar 18, 2014 | 2003 BMW 325

1 Answer

Idle problem (stalling) when car reaches full hot

There's a possibility that the ECT (engine coolant temp.) sensor isn't working the way it's supposed to. The engine may be at operating temp but the sensor may be telling the engine computer it's cold still and it'll act like an automatic choke on a carb. engine.

Mar 27, 2013 | 2001 Chevrolet Cavalier

1 Answer

What temp should a/c be in 1995 chev on max

Hard to say.
Under normal conditions, vent temp should be about 20 or 25 degrees less than outside air temp.
So if outside air temp is 90 degrees and the engine is at idle speed, vent temp would be around 65 or 70. On the road the vent temp could be less than 60 degrees.
If outside air temp is 70 degrees vent temp will be around 40 - 50.

Jul 21, 2012 | 1996 Chevrolet K1500

1 Answer

Check eng light came on eng stalled it was 98 degrees outside

You'll have to figure out if it is a fuel or ignition problem.
Is the check engine light on before the engine dies ?
It can run in 125 degree temp so there is a problem that may have been made worse by the 98 degree weather.
My first guess would be the idle control motor or valve if it has one.

Jun 29, 2012 | 2004 Buick Rainier

1 Answer

I have a 99 cavalier that the temp and heat works fine when you are at a idle or runnin below 50mph. when u get over 50 the temp goes to cold and heat stops.. I have changed the thermostat,flushed...

Think there is a blend door on this model.It may not be staying open at high speeds.Not sure if it would be actuated by vacume or electric.Well just my 2 cents.

Jan 29, 2010 | 2001 Chevrolet Cavalier

1 Answer

My 2003 cavalier dies at idle when the car warms up. only in cold temps

Try cleaning the throttle body and pay attention to the Idle Air Control (IAC) valve. The IAC is located by the throttle body and cleaning all the carbon build up should address the stalling issue you have. it's common when there is to much carbon build up causing the IAC to seize and not work properly causing the engine to stall. Make sure you use a can of throttle body cleaner and not Carb cleaner and just follow the instrutions on the spry can. The Carb cleaner is to corrosive to the gaskets used on the throttle body. Good luck

Dec 11, 2009 | 2003 Chevrolet Cavalier

1 Answer

Squeaking noice when temp is below 30 degrees

the squeaking is simply the belt of your car moving. the freezing temps cause that problem thats why it quits when it warms up

Jan 23, 2009 | 2003 Buick Century

3 Answers

Daytime Running lights run the battery dead

The Toyota Service Bulletin is 059633, dated March 13, 2003. My 2003 Corolla has the same problem. When the lights were on this morning after a very cold night, I jiggled the headlamp switch and sure enough, the headlights turned on and off. I found that the lights can be kept off if the switch is pushed forward and left in the "high beam" position when the car is off and the weather is expected to be cold. This is easier than pulling the fuse every time, until the switch can be replaced. It worked for me. Hope this helps.

Dec 08, 2008 | 2003 Toyota Corolla

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