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1991 Pontiac Firebird 3.1L Hesitation, Surge
Posted to GM Driveability on 3/13/2003 6 Replies

Vehicle feel's like the Cat is plugged, but it's confirmed empty in side. Timing is at 15 degrees advanced Fuel pressure is Ok too Timing cahin & gears replaced Whats perplexing the MAT sensor is [...] degrees and the cat temp is showing 755 degrees when first...

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  Related Documents & Media  1991 Pontiac Firebird

 
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Firebird

VIN 1G2F323T5M
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsHesitation, Surge
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Firebird

VIN 1G2F323T5M
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsHesitation, Surge