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1990 Pontiac Grand Am LE 2.5L Hesitation, Cuts out, Misfire, BACKFIRE THROUGH TB
Posted to GM Driveability on 5/6/2004 15 Replies

Hello fellow Techs. This one is about to drive me over the edge. I mainly work on Ford and Asian so I am at a loss. this one belongs to me so I have tried some "Shotgun Diagnostics." A day or so ago it started cutting out, back firing through the throttle body...

15 Replies Received (View Replies)

  Related Documents & Media  1990 Pontiac Grand Am LE

 
Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Am LE

VIN 1G2NE14U4L
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsOBDI
SymptomsHesitation, Cuts Out, Misfire, Backfire Through Tb
OccursUnder Load, on Accel
Message Closed w/FIX

car Vehicle Data

1990 Pontiac Grand Am LE

VIN 1G2NE14U4L
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsOBDI
SymptomsHesitation, Cuts Out, Misfire, Backfire Through Tb
OccursUnder Load, on Accel