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1998 Pontiac Bonneville SE 3.8L Poor Idle Quality, MIL Lamp on
Runs lean intermittently. LT fuel trim will go to +16 and stay there. Will do it at idle or on the road. Open or closed loop. When I reset fuel trim to zero engine will idle rough untill it goes back to +16. If I spray carb cleaner into the throttle body with ...
FIX posted 1/10/2003
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Message Closed w/FIX
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22 Replies Received
22 Replies Received
Related Documents & Media | VIN | 1G2HX52K4W |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
1998 Pontiac Bonneville SE
| VIN | 1G2HX52K4W |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
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