Question about 2002 Pontiac Grand Prix
I have replaced the fuel pump and crank sensor and map sensor
Possible ignition module heat failure
Posted on Apr 21, 2017
Testimonial: "so I think it's a fuel issue when I prime it my gauge jumps to 58-60 psi but then starts dropping in about twenty minute it's down below 30 psi and I can't find any leaks anywhere"
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Posted on Jan 02, 2017
Sounds like your security system is shutting the car down. You should be able to leave the key on for 15 minutes and it will reset itself. Make sure you are using factory keys, and they are in good condition.
Posted on May 28, 2009
get your catalytic converter checked, i have a 2002 gt model and GM just replaced the old with a new one free of charge. They have been having problems with them clogging up so they extended the warranty to 190000kms or 10 years. had the same issues as you and when it was replaced all was good, even sounded better. hope this helps and I hope you get the same deal as I did. it is not a recall so you have to bring it up to them. Good luck.
Posted on Jun 05, 2009
You need to replace your crankshaft position sensor located by the harmonic balacer. These sensors heat up and cut off the engine until the sensor cools down. This happens with age and it is not specific to GM.
Posted on Jun 15, 2009
Known GTP problem.
You most likely have a bad fuel pump resistor, which controls 2 speeds of the fuel pump.
To check to see if this is the problem, there is a trick you can do and its very easy to do. Go to the attached link, and bend the tab my finger is pointing at and then plug it back in. If your car starts and runs fine, well we just solved the problem.
Link ->> http://www.boredandstupid.com/relay.jpg
Posted on Jan 04, 2010
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