1993 Pontiac Bonneville Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1993 Pontiac Bonneville
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1993 Pontiac Bonneville ProblemsEngine Stalling Due to Mass Air Flow/Crankshaft Position Sensor Failure
The intake manifold gaskets can develop external engine oil or coolant leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue. In some cases the plastic intake manifold my be damaged requiring replacement.
The mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.
1993 Pontiac Bonneville QuestionsWhy is my NOx so high (1 answer)
I passed everything on my emissions but my NOx was real high