2001 Pontiac Grand Prix SE 3.8L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
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.
FIX posted 7/23/2007
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Vehicle Data2001 Pontiac Grand Prix SE
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2001 Pontiac Grand Prix SE
VIN | 191F257091 |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |