Mechanics

CHEVY STARTING PROBLEMS

1996 Chevrolet Lumina

Engine Performance problem
1996 Chevy Lumina 6 cyl Front Wheel Drive Automatic 195000 miles

I have a 1996 chevy lumina 3.1 v6 when the car is cold below 0 the car starts fine if the outside temp get above 0 you have to push the gas pedal down half way to start I have change the MAF, IAC valve, check fuel pressure it 42 psi, replace Throttle position sensor EGR value tested the MAP sensor and still have the same problem
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Dalejr850103
January 11, 2010.



Check and test the coolant temperature sensor its job is to enrich fuel during initial cold starts like a carbuerator choke

Rasmataz
Jan 11, 2010.