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2000 GMC K3500 Sierra SLE 7.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
lt fuel trim b2 -18 at cruise, -9 at idle. b1 also neg. readings. have been on tech hot line and only one reading seems suspect. maf is 2700hz at idle (gm spect is2000, vantage spec is 2300. at 2500 rpm, 4700hz, spec is 4200hz. have tried reman maf and reads s...
Summary posted 6/1/2005
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Related Documents & Media | VIN | 1GTHK39JOY |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cruise |
| Misc. | 4WD, Dully |
Trouble Codes
| P0175 | Fuel System Too Lean (Bank 2) |
Message Closed w/Summary
Vehicle Data
2000 GMC K3500 Sierra SLE
| VIN | 1GTHK39JOY |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Cruise |
| Misc. | 4WD, Dully |
Trouble Codes
| P0175 | Fuel System Too Lean (Bank 2) |
Video