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2001 Pontiac Grand Prix SE 3.8L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 7/12/2007 13 Replies

hey guys this one is got me stuck. the 02 sensor is staying around 600 to 900 mv. fuel pressure is with in spec checked for vac. leaks none found. 02 checked out ok with vantage pro. i am out of ideas. thanks to all.

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  Related Documents & Media  2001 Pontiac Grand Prix SE

 
Message Closed w/FIX

car Vehicle Data

2001 Pontiac Grand Prix SE

VIN 191F257091
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
Message Closed w/FIX

car Vehicle Data

2001 Pontiac Grand Prix SE

VIN 191F257091
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)