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2002 Chevrolet Trailblazer LS 4.2L MIL Lamp on
This one has a p0171 bank 1 lean. Fuel pressure is 54 psi. LT trim is at 20+ at idle.. I used the smoke machine 3 different times with no results.. Tried spraying down the intake, vac hoses, injector rail, t-body, etc. with no changes in fuel trim numbers. I a...
FIX posted 11/2/2005
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Related Documents & Media | VIN | 1GNDT13S32 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed
Vehicle Data
2002 Chevrolet Trailblazer LS
| VIN | 1GNDT13S32 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
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