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2000 Pontiac Grand Prix GTP 3.8L Excessive Emissions, No Start, Poor Idle Quality, Cuts out, Stall, MIL Lamp on
Posted to GM Driveability on 9/24/2010 13 Replies

ECT/IAT read negative 40 on scan tool along with MAP reading negative voltage, and MAF toggled between high and low readings both with and without MAF sensor plugged in. All of this occured KOEO. Car was towed in and runs rich when the problem is occuring alon...

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car Vehicle Data

2000 Pontiac Grand Prix GTP

VIN 1G2WR5216Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, No Start, Poor Idle Quality, Cuts Out, Stall, MIL Lamp On
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

2000 Pontiac Grand Prix GTP

VIN 1G2WR5216Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, No Start, Poor Idle Quality, Cuts Out, Stall, MIL Lamp On
OccursIntermittently