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1991 Pontiac Bonneville LE 3.8L Cuts out, Misfire
Posted to GM Driveability on 9/12/2007 8 Replies

This vehicle is missing on #3 & #6 at idle at the coil. I replaced the coil, module & computer from a vehicle that ran perfect. It does the same thing. Using an inline spark tester on all 6 coil wires #3 & #6 coils barely fire at idle. When accelareted they li...

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  Related Documents & Media  1991 Pontiac Bonneville LE

 
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Bonneville LE

VIN 1G2HX54C2M
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsUS Fed emissions
SymptomsCuts Out, Misfire
OccursAlways
Message Closed w/FIX

car Vehicle Data

1991 Pontiac Bonneville LE

VIN 1G2HX54C2M
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsUS Fed emissions
SymptomsCuts Out, Misfire
OccursAlways