Question about 1997 Pontiac Grand Prix

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My car starts but after a while dies waht can be

My car starts but after a while dies waht can be the problem its a 97 pontiac grand prix gtp

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Hello! You're symptoms sound very much like a common problem associated with the fuel pump resistor. The GTP engine has a two speed fuel pump. There are two relays that control the fuel pump via the PCM module. The fuel pump relay and fuel pump hi-speed relay. Tied into the hi-speed relay is a fuel pump resistor that may go bad.

Symptoms vary but primarily the engine will start but die in a matter of seconds due to insufficient fuel pressure.

Here is a picture of the relay - which is located in the fuse box in the engine compartment:

my car starts but after a while  dies waht can be - e3ccead.jpg
What you can do to both diagnose this and either narrow it down to this or disqualify it as the culprit is remove relay #15, and bend out the tab labeled "85", and then reinstall the relay. If this does solve your problem, then you need to replace the Fuel Pump Resistor. Doing this will bypass the resistor, and place the fuel pump in "high" speed mode at all times. Once you have replaced the resistor, you need to bend the tab back to its normal position and replace the relay.
NOTE: while this may be a helpful diagnosis tool, and provide a temporary fix - doing this procedure for a prolonged period of time can lead to fuel pump failure. Use this at your own risk.


Hope this helps and good luck!

Posted on Sep 25, 2009

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Its probley not getting gas if your good with cars change the fuel filter

Posted on Sep 24, 2009

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Are all fuel pumps from 97 Pontiac grand prix compatible with fuel pump for a 97 Pontiac grand prix GTP super


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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

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