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1999 Pontiac Grand Prix GT 3.8L maf
Posted to GM Electrical on 11/9/2010 19 Replies

we are having major isues with the maf.. it will not go over 2 grams of air. we replaced it with a few, some new and a few old. this always causes the mil to light up. at start up it builds up to 2 grams but then stays at that..... we have checked for vacuum l...

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  Related Documents & Media  1999 Pontiac Grand Prix GT

 
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Prix GT

VIN 1G2WJ52M1X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMAF
ConditionsNo Signal
Message Closed w/FIX

car Vehicle Data

1999 Pontiac Grand Prix GT

VIN 1G2WJ52M1X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedMAF
ConditionsNo Signal