1991 Pontiac Firebird Fuel Issues

1991 PONTIAC FIREBIRD
124,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JRPWFD
  • MEMBER
  • 9 POSTS
I have a 91 Firebird and it has 2 problems when i start the car it will run for about 5 minutes then die then after a couple of minutes and keying the ignition it will start again run for a little while and die again and it's just a continuous cycle it has new plugs, new computer, and...well many new parts minus the fuel pump, fuel filter and plug wires. the second part of the problem is after starting the car it smells VERY heavily of gas and i can lose an 1/8 of a tank in five minutes, so i figure gas leak but the confusing thing is i parked it on a dry concrete slab ran the car and revved it up a little bit and there were no fluids on the ground but still smelled heavily of gas and the gas gage did go down quite quickly. please help, i'm confused.
Sep 12, 2008 at 4:18 PM
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BMRFIXIT
  • CAR REPAIR CONTRIBUTOR
  • 19,053 POSTS
Remove the spark plugs and check
is it running rich
check fuel pressure regulator
also I would do a fuel pressure test

also do a fuel leak test
turn key on and what your reading turn key off and check the reading is it going down fast
u have a leak
check injectors and fuel regulator
good luck
Sep 13, 2008 at 6:53 AM
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