1989 Buick Century Custom 2.5L No Start, Backfires
Backfires through the intake, and the upper coil was not firing. New module and coils, now both coils firing, still backfires through the intake. Made marks on timing cover and crank pulley, all plugs are firing at TDC each cylinder. No valves seem to be stick...
FIX posted 1/25/2005
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Message Closed w/FIX
Vehicle Data1989 Buick Century Custom
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Message Closed w/FIX
Vehicle Data
1989 Buick Century Custom
VIN | 1G4AH51R2K |
Engine | 2.5 L / 4 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI / TBI |
Emissions | Federal |
Symptoms | No Start, Backfires |
Occurs | Always |