Is my car having fuel problems? (1991 Pontiac Firebird)?

  • Thread starter Thread starter jetblacksnake
  • Start date Start date
J

jetblacksnake

So this week my car started to act up. My car starts fine sometimes, other times it starts but then dies right after starting. It will start up, sputter as if it was running out of gas,stumbles for a bit, and then dies. If I step on the gas while trying to get it to stay on it dies , it dies as soon as I step on the gas. If I don't step on the gas it stays on a little longer but stumbles and dies anyway. After about half an hour or so of trying to get it to start it will eventually start,except now it starts and then dies after about 5 or 10 minutes of driving. I don't think it is the fuel pump or the fuel filter since I replaced them both not too long ago, I also replaced the TPS. I checked the oil and transmission fluid and everything was fine. THe radiator is full and the air filter is still in decent shape.

If anyone could give some advice I would appreciate it.

I don't have the money to take it to a shop right now and I don't think I can wait until next week to do something about my car.

Thanks everyone.
 
try getting a code check from an autozone, they are free. Do you get dark or black smoke coming from the exhaust? It sounds like your cylinders could be flooding with gas, usually a sensor will be the result.
 
i have the same issue and many things were done and no change. Feul pump\filter, fuel pressure regulator, computer, MAP sensor, temp switch, EGR, Distri cap\rotor\wires\plugs, PCV were replaced.

ignition system, injectors, fuel pressure, IAC, TPS were all tested and cleaned.

None of this fixed my problem. is there anything else i can try?
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On a 91 u can do a check engine light w/ a paper clip, make a u out of paper clip, w/ ignition off, stick in A and B of the plug for check engine light, turn the ignition to on,not start,start counting flashes.
The first code is always 12 and it flashes all codes 3 times.
 
JohnW1975 said:
i have the same issue and many things were done and no change. Feul pump\filter, fuel pressure regulator, computer, MAP sensor, temp switch, EGR, Distri cap\rotor\wires\plugs, PCV were replaced.

ignition system, injectors, fuel pressure, IAC, TPS were all tested and cleaned.

None of this fixed my problem. is there anything else i can try?
Click to expand...

i did a code test and it still comes up with 33 "map sensor" i had repaced that twice already and no difference.. i have checked vacume hose and that it in real good shape.. any ideas?
 
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