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1991 Pontiac Firebird 3.1L Excessive Emissions, Poor Idle Quality, Stall
Posted to GM Driveability on 10/16/2003 8 Replies

this vehicle will barely start with the timing connector connected, timing then appears to be at 20 degrees atdc. base timing is at 10 degrees. with timing connector apart the engine idles and accelerates very good. connect the timing check and restart the tim...

8 Replies Received (View Replies)

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car Vehicle Data

1991 Pontiac Firebird

VIN 1G2FS33TXM
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsFEDERAL
SymptomsExcessive Emissions, Poor Idle Quality, Stall
OccursAlways, With Timing Check Connector Connected
Misc.Convertable
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Firebird

VIN 1G2FS33TXM
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / PFI
EmissionsFEDERAL
SymptomsExcessive Emissions, Poor Idle Quality, Stall
OccursAlways, With Timing Check Connector Connected
Misc.Convertable