Question about 1991 Pontiac Firebird

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91 pontiac firebird after a good flogging the car will not take fuel it will cruise without your foot on the gas but you give it any throttle it dogs out and here recently its died on me while driving any suggestions i dont even know where to begin it has a brand hi-performance accel coil,mallory performance distributor, 7.5mm accel plug wires, and bosch +2 plugs so im assuming it isnt fire help please

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  • Pontiac Master
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Check the vacuum line to your fuel pressure regulator and the wires to your MAP sensors. Start with that, keep me posted ne glad to help. 

Posted on Jun 25, 2009

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Posted on Jan 02, 2017

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2 Answers

2000 Pontiac Bonneville SSEi starts and immediately dies; will not run without foot constantly on gas pedal


Well pumping the pedal on a fuel injected car does nothing. If there are no trouble codes stored in the computer, look for excessive fuel from the injectors or the fuel pressure regulator. Or lack of air thru the idle air control valve.

Mar 09, 2014 | 2000 Pontiac Bonneville

1 Answer

91' bonneville ran out of gas and now it wont stay running unless my foot is on the gas


Check TPS -Throttle Position Sensor

May be worn out

Test it --not replace-- unless it has failed a test

Also the fuel pump maybe worn out as well

Nov 19, 2012 | 1991 Pontiac Bonneville

1 Answer

Trouble starting, idleing,and cruising without shutting off.


three possible answers to look at ; fuel filter located at the back drivers side by the tank; throttle positiion sensor or crank position sensor[ worst case scenario fuel. pump is starting to fail. gas or fuel filter first; bring the car to advance or autozone for a free scan for trouble codes

I’m happy to help further over the phone at https://www.6ya.com/expert/gregory_8e6ba270263743ac

Sep 16, 2009 | 1997 Jeep Grand Cherokee

1 Answer

1988 firebird V8 fuel injected! It running higher than usual on the rpms with me not even pressing on the gas! It is like its driving by itself sometimes! Also after running for 30 mins to 40 mins it is...


The first thing I would check is the throttle cable from the foot feed to the throttle body. Disconnect the cable connection from the throttle body and manually push and pull the inner cable. It should move both directions freely without any hang-ups. Replace it if there are any problems. Don't try to oil it as it has a plastic liner inside the outer housing.
Is the check engine light coming on? If so, rent a scanner, read any code(s), and pursue to repair(s). Make sure the engine fan is running well and the radiator core is free of bugs and other debris--blow out with compressed air from the engine side. Does the exhaust system seem to open and not plugged?

Sep 14, 2009 | 1988 Pontiac Firebird

1 Answer

My 91 3.1L V6 pontiac firebird is driving a bit rough. first of all sometimes when you start to accelerate the engine POPS loud. sometimes just once but other times alot more often. and it sounds very...


Looks like you're engine's skipping and it could use a good tune-up, spark plug and wires, distributer cap and rotor, air and fuel filters and you should be in bisness.

Aug 04, 2009 | 1991 Pontiac Firebird

1 Answer

1998 Firebird fuel filter


Need more information. Has car been sitting? Is it getting fuel to the intake? ( injector or throttle body?) What engine does it have? What type of carb. does it have? fuel injection, carb., or throttle body? Pull off a plug wire, and check it for spark....does ignition spark? Check timing for jumping. could have jumped timing belt? you need someone to help you visualize and troubleshoot.

Jul 16, 2009 | 1998 Pontiac Firebird

1 Answer

Replacement of fuel pump on 91 firebird


i suppose this would work but then u would have water and debris blowing in and it would rust out. i would rather put 3/4 copper pipe into gas opening and slide rubber line through pipe past flap into gas tank and siphon gas into buckets and lift car on jacks and get a buddy to help lower tank or use floor jack and block of wood to lower tank and not destroy floor and create new problems

Jul 08, 2009 | 1991 Pontiac Firebird

3 Answers

91 firebird won't stay running


you must not add gas, you must drain all the gas from the tank and fuel pump and clean the carburator also the spark plugs. then put a new gas.

Apr 20, 2009 | 1991 Pontiac Firebird

2 Answers

1988 pontiac firebird 5.0 v8


Hi,have you done a fuel pressure check on the vehicle.This will check the status of your fuel pump.If its a carb engine it will be 5 to 7 psi.If its fuel injection it will be approx.35 to 45 psi.Good Luck!!!

Aug 04, 2008 | 1988 Pontiac Firebird

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