Mechanics

#4 MISFIRE, HIGH INTAKE AIR CODES ARE COMING UP

2001 Oldsmobile Alero • 175,000 miles

Already changed the head gaskets new spark plugs and wires the car isnt overheating whats wrong changed the head gaskets thermostat water pump spark plugs wires car has a complete makeover were did I go wrong
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Kimberley2421
December 4, 2011.




Check the fuel pressure. If it's low it will cause a misfire. Also check for a vacuum leak.

Hmac300
Dec 4, 2011.


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