
2002 Chevrolet Trailblazer LS 4.2L Cuts out, Stall, MIL Lamp on
Hey guys, I'm a little stumped here. This is the boss's trailblazer. It has stored codes for system too rich AND system too lean. I have it idling right now and STFT is -18, LTFT is +11, FT cell is +20. When I increase the rpms up to around 2000 or 3000 the fu...
FIX posted 10/26/2013
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Message Closed
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VIN | 1GNDT13S72 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / multi-port |
Emissions | OBD-II Compliant |
Symptoms | Cuts Out, Stall, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0172 | Fuel System Too Rich (Bank 1) |
Message Closed
Vehicle Data
2002 Chevrolet Trailblazer LS
VIN | 1GNDT13S72 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / multi-port |
Emissions | OBD-II Compliant |
Symptoms | Cuts Out, Stall, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0172 | Fuel System Too Rich (Bank 1) |