Having problems with your 1991 Pontiac Firebird ?
Replaced timing chain and timed fire bird but still wont start acts like it still out of time i need help to figure it out new tps sensor coil distributor and map sensor i think it is a sensor that is bad but dont kno which one for it to effect firing order
Double check the timing with a timing light to eliminated that problem first.
Repair Help & Product Troubleshooting for 1991 Pontiac Firebird
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