Question about 2002 Pontiac Grand Am

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Engine get hot but when i drive it cools back down

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Change the thermost.or waste fuel ......

Posted on Nov 06, 2010

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1 Answer

Overheating when I sit idle.


Over heating the engine is a serious concern. With the hood raised you should hear the motorized fan turn on just behind the radiator as the engine requires additional cooling.. If you look in from the rear of the radiator you should see the fan blades.

This electric powered motor operates on a thermostat and when the engine temperature rises this fan should come on. I'm assuming from your description that when driving and air is flowing through the radiator as the car travels the engine is nor overheating.

Check fan motor thermostat, check fan motor and check wiring.

Wiring Diagrams related to the Honda Civic
http://www.wiringdiagrams21.com/category/automotive/honda-automotive/civic

Motor engine cooling fan only runs as engine temperature requires additional cooling.
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Jan 05, 2016 | 2001 Honda Civic

1 Answer

2000 BMW 528i running hot


is the cooling fan cutting in ? run the engine whilst stationary with the hood up , give it a little gas 2000revs and wait for the temp gauge to rise ,the cooling fan should be heard cutting in , and off again once cooled the engine temp down ,this may take 10-15 mins but you have to be sure the fan is cutting in or you may cook the engine

Jun 03, 2014 | 2000 BMW 528i

1 Answer

The hot air from the vents begins to cool down when the vehicle is stopped or slows down.


sounds like a possible plugged heater core, restricting the flow of coolant. those require a special tool to remove, quick disconnect, just remove both hose from the heater core and back flush the heater core with a garden hose, NOTICE DO NOT DO THIS WHILE HOT IT WILL BURN YOU, this can make a mess, flush it both ways untill it flows clean and with even pressure, then refill the coolant and road test the vehicle to see if is changed.

Jan 15, 2013 | 2001 Chevrolet Suburban

1 Answer

Starts and runs good when cold , shut engine off after motor gets hot , will not start back. After I let the engine cool down it will start back. When weather is cooler starting back is not a problem ,...


Sounds like the coil has gone bad. This is usually the syptoms of this. When it is in the non crand status cool the coil down quickly with ice and see if it doesnt crank.

May 19, 2010 | 1994 Jeep Grand Cherokee

2 Answers

Truck looses power and shuts down while driving


did you check fuel filter ?? and or fuel pressure

Jan 31, 2010 | 1999 Ford F150 Regular Cab

1 Answer

Truck cuts off while driving down the road.


Replace the TFI module. Ford back in 1986 thur 1993 had problems like the one you wrote about. TFI module gets hot and shuts car or truck off then when it cools sometmies starts and sometimes not.

Jun 14, 2009 | 1993 Ford F150 SuperCab

1 Answer

2004 xterra temp rises when stopped, goes back down when moving


sounds to me like the thermostat may be stuck. i would check the coolant, fan, and belts.

Dec 13, 2008 | 2005 Nissan Xterra

1 Answer

Engine runs really hot, and engine light comes on while in D4


I had the same problems with my Acura Legend. On the problem with the running hot and the idling up and down, your cooling system is low. Fill your cooling system start it up and look for leaks, steam, or etc. repair and refill and your problem should be cured if the cooling system is full. At this time i'm working on the other problem. Good Luck

Nov 14, 2008 | 1991 Acura Legend

1 Answer

Cooling system on 1994 ford thunderbird


does it run hot while driving or in traffic?
if running hot at idle could be water pump not circulating enough try revving engine some and see if temp comes down. also check your fan clutch.
if running hot going down road probably radiator

Sep 10, 2008 | 1994 Ford Thunderbird

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