1993 Pontiac Sunbird Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1993 Pontiac Sunbird
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1993 Pontiac Sunbird ProblemsEngine Vacuum Leak Due to Cracked PCV Vacuum Hose
The PCV vacuum hose under the upper intake plenum may become brittle and crack causing an engine vacuum leak.
The ignition module or crankshaft position sensor may fail causing the engine to die and not restart. Diagnoses will be necessary to determine if the module or crank sensor is causing the no start condition.
It is not uncommon for the power steering rack to develop a fluid leak requiring replacement of the rack assembly. Loss of power steering fluid may also cause an abnormal noise and damage to the power steering pump.
1993 Pontiac Sunbird Questionscabin air filter for a/c. (1 answer)
Seems like it is a pressure leak.
Where is the oil pressure sending uint