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1996 Chevrolet K2500 Suburban LS 7.4L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
thank you in advance. '96 7.4L suburban running rich. both codes (p0172, p0175) checked fuel pressure regulator and its not leaking. fuel pressure good (54 psi). performed injector balance test found #6 bad (letting out too much fuel, by about 10 psi) so i rep...
FIX posted 7/30/2007
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Message Closed w/FIX
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Related Documents & Media | VIN | 3GNGK26J5T |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1996 Chevrolet K2500 Suburban LS
| VIN | 3GNGK26J5T |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0175 | Fuel System Too Lean (Bank 2) |
Video