
1999 Pontiac Bonneville SE 3.8L MIL Lamp on
hello, we have this bonneville w/ po171,lean condition. we replaced both o2 sensors,fuel pump&filter,m.a.p sensor,m.a.f. sensor, and can't find any vacuume leaks, exhaust is also new. doe's anyone have any other suggestions. i was laening toward a pressure reg...
FIX posted 11/18/2008
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Message Closed w/FIX
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VIN | 1G2HX52K1X |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / efi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
1999 Pontiac Bonneville SE
VIN | 1G2HX52K1X |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / efi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |