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2012 Chevrolet Silverado 2500 HD LTZ 6.6L Poor Def.quality
will not let me reset def. quality because #4 egt is at 1832 telling me that the reductant inhibit reason is the nox cat. [...] egt #3 with #4 egt read ambient air [...] wiring back to ecm no [...] seems to be bad, am I missing something?
Summary posted 7/7/2018
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Related Documents & Media | VIN | 1GC2KYE87C |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / diesel |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Def.quality |
Message Closed w/Summary
Vehicle Data
2012 Chevrolet Silverado 2500 HD LTZ
| VIN | 1GC2KYE87C |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / diesel |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Def.quality |
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