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2002 Pontiac Grand Prix GTP 3.8L EGR Low Efficincy
Posted to GM Driveability on 4/1/2008 14 Replies

OK i have a 2002 grand prix s/c. i have been working on this vehicle for a couple of weeks. I have replaced the egr valve and the cleaned the passages. the map sensor is changing with the rpm changes. the exhaust is factory with no damage. we have reset the ec...

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  Related Documents & Media  2002 Pontiac Grand Prix GTP

 
Message Closed w/FIX

car Vehicle Data

2002 Pontiac Grand Prix GTP

VIN 1G2WR52132
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsEGR Low Efficincy
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

2002 Pontiac Grand Prix GTP

VIN 1G2WR52132
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsEGR Low Efficincy
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected