1991 Pontiac Sunbird Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Pontiac Sunbird
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1991 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.
1991 Pontiac Sunbird Questionswhat is a PED 15 fuse for (1 answer)
found it on the fire wall but can't find out what it controlls
I've replaced the fuel pump (twice)7 fuel filters, 2 strainers, idle air controller, maf sensor, spark plugs and wires, throttle position sensor, fuel pressure relay, fuel pressure regulator, some vacuum lines. Car ran then loss power, limped to the side of the road and died, hasn't ran f...
I changed the timing belt in a 1991 Pontiac sunbird se 2.0 L 4 cyl. got the marks right,it won't start,caan you help me please. Thank you