Question about 1987 Pontiac Firebird

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I have a 1989 pontiac GTA while its sitting it will run as soon as I start to move the car totally looses ALL POWER what could it be.

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Timing not adjusting to take off or fuel not keeping up..

Posted on May 20, 2011


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1989 Pontiac gta wont fire changed module and coil

Check power and ground to module and coil.

Jul 27, 2015 | Pontiac Cars & Trucks

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1989 trans am gta, 5.7 ltr tpi, replaced my battery with brand new gell cell, as soon as I connect positive cable ican hear fuel rails prime and continue, started car and after shutting off ignition

If the Oil Sending Unit becomes defective, it often keeps the fuel pump running even after the car's engine is shut off. Replacing the Oil Sending Unit should correct the problem. Believe it or not Pontiac uses the oil sending unit as a back up to power the fuel pump.

Nov 03, 2014 | Cars & Trucks

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Have a 1989 pontiac grand prix 3.1, that runs like crap when warmed up. Pops n cracks, dies. & re-starts on its own. It will die when ur sitting there in gear with foot on gas n other foot on brake....

From what you are saying this problem is when you have your foot on the brake. If that is the case remove and blank of the brake booster vacuum hose and see if the problem persists. If not then the fault will be in the brake booster allowing air into the manifold and up setting the air/fuel mixture and running too lean

Jul 20, 2014 | 1989 Pontiac Grand Prix

2 Answers

1989 pontiac GTA won't start just clicks, could it be a problem with the security system?

If it clicks then no.You need to check the battery and the charging system.If all your lights work and the headlights look nice and bright then check to see if you have power to the starter.If the clicks are coming from the starter what you can do is tap the starter with a hammer while someone is trying to start it with the key.If it starts then the starter is bad.If the lights are not bright but real dim then have the battery load tested or just try to jump it.Hope this helps.Good luck.

Jan 19, 2010 | 1989 Pontiac Firebird

1 Answer

Its not the alternator or batterey

try the ignition module. Take it off and have it checked out at a parts store such as autozone or advance. I bet it is getting hot and dying on you.

Jun 17, 2009 | 1989 Pontiac Grand Am

2 Answers

1989 gta that is hard to start when but starts


Jun 12, 2009 | 2002 Pontiac Firebird

1 Answer

Where are the rpo codes for a 1989 pontiac trans am gta?

check in the lockable compartment it should be on the inside of the lid

Mar 17, 2009 | 1989 Pontiac Firebird

1 Answer

1989 pontiac gta won't start when hot and runs bad after warm

i melted my module off of mine 89 gta once on my disturbertor and also had the plugs that snaps onto the coil pack cause a lot of problemns because it wasn't snapped all the way don on the coil pack not the plug wires but the wiring harness plugs and it gave mne a lot of problems.may want to check yourself took it to a dealer ship 4 weeks in a row and every time they said it was fixed i drove it for a couple hours and it would quit and not start and that was all it was but it started with a tune up wires, cap ,rotor button.

Jan 29, 2009 | 1989 Pontiac Firebird

1 Answer

Car is loosing power and keeps cutting off when sitting still

When is wouldn't start back up, did it at least crank or nothing at all.

Dec 28, 2008 | 1989 Pontiac Grand Am

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