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1997 GTP help.

Hawkeye1975

Hawkeye1975

New member
I have a 97 GTP with about 130,000, stock car except for random tech downtube, kn filter and upgraded plug wires. I've owned the car for over 5 years now with only minor issues, but recently have had stalling and restarting issues, the car has no engine light or stored codes, fuel pressure is in the mid 50 range at the rail. Early this year I replaced the fuel pump and fuel filter.

So two week ago, my car stalled while I was driving and would not restart. The engine would turnover and sometimes it would just stumble for afew seconds. This was after a long drive on a hot day. So at that point I'm thinking I have a fuel delivery issue. The next day the car started and ran fine. I replaced the fuel filter thinking there was some debris inside. Also a new fuel pump resitor and relay after I knew the problem was still there.

Since that first time I have had restarting issues once the car is warmed up and I just stop for afew minutes, come back and it wont start. Usally I get get it started 10 minutes later once its cooled down alittle.

So, I trying to narrow down the testing/part replacement and try to get a good idea what going on. Thanks.
 


i need to bump this post. I just bought the car from hawkeye, wanting to fix it. The fuel pump isn't priming at all, i click the key and i don't hear anything. If the car sits all night i can start the car. As soon as i shut it off, no restart. I checked the fuel pump relay's, oddly enough there isn't a relay for the high speed mode, there aren't any connections for it at all. The relay doesn't seem to be the problem since i swapped one in from my working 99. I get voltage to the fuel pump, the battery was dying so i only got 2.5 volts out of one of the plugs on the pigtail. Also I did a fuel pump re-wire (zzp kit)


Any ideas? Im almost thinking the whole fuel pump assembly needs replacement. Could a bad cps be causing the fuel pump to not prime?
 


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