4 MISFIRE, HIGH INTAKE AIR CODES ARE COMING UP

2001 Oldsmobile Alero

Tiny

kimberley2421

December, 4, 2011 AT 12:47 PM

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

FOUND 2124 RELATED QUESTIONS

Mis Fire -

17 ANSWERS
11 IMAGES

1 Answer

Tiny

hmac300

December, 4, 2011 AT 2:43 PM

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

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