Question about 2001 Pontiac Grand Am SE

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2001 pontiac grand am : engine runs fine when

2001 pontiac grand am : engine runs fine when warming up, after engine is at operating temp (88 C) it loses power and hesitates while accelerating

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Try replace cooling sensor

Posted on Oct 10, 2009

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2 Answers

1999 pontiac grand prix gt squealing very loud when it hits operating temp


Check your power steering fluid , or you serpentine belt an tensioner !

May 29, 2015 | 1999 Pontiac Grand Prix GT

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2003 Pontiac sunfire engine won't get warm


I am assuming that you know this since the temp gauge is not reading at normal temperature. I say this because I have had people in the past tell me that the engine wasn't warming up only to find out that the real problem was the heater wasn't working. They are two completely different issues. That said, the primary reason that an engine won't come up to operating temp is that the thermostat is either
  1. Stuck wide open
  2. Not installed.

Mar 06, 2015 | Pontiac Cars & Trucks

1 Answer

How do you bleed a cooling system on a 1999 pontiac grand am?


The most common way to bleed any cooling system in a newer car is take off the radiator cap (cold to warm engine NOT HOT) Start your engine turn your heater on max and let the car warm up I like to put some bounce in it and bounce the car it seems to help work out some air bubbles. as it reaches full oporating temp somewhere in the middle of the gauge start adding coolant along the way to maintain the fluid level at full. carefull to not over fill

Jun 27, 2010 | 2001 Pontiac Grand Am SE

1 Answer

My eletric fans on my 1999 pontiac grand prix 3.8 work,but will not come on when car gets to operatoring temp?????


The are only suposed to come on when the engine temp starts going over operating temp, like standing traffic. if then they don't work check the engine temp sensor

Jun 16, 2010 | 1999 Pontiac Grand Prix

1 Answer

During cold weather the engine runs fine but during warm weather the engine dies


Could be a problem with your intake air temp sensor or your coolant temp sensor. The most likely would be the coolant temp sensor. It may be reading cold and will make it run good as the engine is cold but as it warms it is not adjusting the air fuel ration to the proper levels making it run rough hot

May 23, 2010 | 1992 Pontiac Bonneville

1 Answer

How to change a thermostat on a 2001 pontaic grand prix


Follow the top radiator hose from the radiator TO the engine, you will see a round housing ( could be flat on some models it's hidden ) disconnect the top hose from the thermostat housing and it should be right there.

Make sure you replace it with the OEM temp one

If you go to a colder thermostat it will run rich becuase the computer thinks it's not warm enough yet and will enrichen the fuel mixture to compensate.

This will fowl your plugs and it won't start.

Mar 31, 2010 | 2001 Pontiac Grand Prix

1 Answer

Check engine light will not turn off on my 2001pontiac grand am


take battery cables off and put back on. should reset

Apr 21, 2009 | 2001 Pontiac Grand Am SE

1 Answer

Temp guage dont read


U are talking about two different sending units, one is the Engine Coolant Temp sensor, the other is the temp guage sender, sounds like you have a bad thermostat, if the engine doesn't reach the proper operating temp it will set a code for the engine coolant temp sensor, and the guage will not move or move very little, replace your thermostat and both problems will go away.

Mar 02, 2009 | 1996 Pontiac Grand Am

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