SOURCE: Crank shaft Sensor
After replacement of crankshaft position sensor, the computer needs to have the crankshaft position system variation learn procdeure performed. That requires a factory scan tool.
Crankshaft Position Sensor Replacement
Removal Procedure
Installation Procedure
Tighten the studs to 30 N·m (22 lb ft).
SOURCE: 97 grand prix gtp starts then immediatly dies
If you have a GTP these engines use a hi output fuel pump. they use a fuel pump resistor located under the battery tray (look up from under the car) This resistor lowers the voltage to the fuel fump when not in boost mode. because of its locatoin it is prone to corrosion. if you bypass the wires and the engine starts and stays running replace the resistor
SOURCE: I have a 2004 grand prix gt and sometimes on start it stalls
Take your car to a dealer and tell them to "clean the throttle body" Known problem for this year. It will solve your issue.
SOURCE: Pontiac Grand Prix GT grinding and whining noise when turning...
If you have a warranty from your dealer, you paid for it, or whether it came with it, it doesn't matter, you MAKE them honor it. Take it back there, and MAKE THEM FIX IT! This shouldn't be your problem if you have a warranty. If they aren't honoring it, threaten them with the BBB or court. They will shape up.
I would say power steering pump.First check to make sure there is fluid in the reserve tank and at the proper level if not top it off and whine should stop.If level is correct then maybe try flushing with fresh fluid.
3.8L engine the power steering fluid was never toped/checked.. because it is a pain in the *** to get at (behind the hot as hell alternator), so it probably ran dry, top it up is probably all you have to do.. if the whining presists then you will have to try and bleed the air out by jacking it up, engine off, turn the wheel one side to the other about 25 times.. if that dont quiet it up then you will have to replace the power steering pump.
Power steering pump / fluid level is not hard to check - it is located below the alternator on the passenger side of the engine bay. You need a light to see it. You can get your hand down from the top of the engine to loosen and remove the cap/dipstick.
Here is a link that should help you.http://www.paulstravelpictures.com/GM-Pontiac-Grand-Prix-GTP-Power-Steering-Whine/index.html
Good luck and thank you for using Fixya
SOURCE: 2003 Pontiac Gran Prix GT 3.8L Thermostat replacement
Yes. Remove the housing (not the hose) and you'll find the thermostat.
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