
2003 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on
Hey guys. I have a P0404 EGR performance code and need some insight. Vacuum pump generates 15-20 inches, all solenoids operate when commanded, vacuum lines intact , and when I command 100% EGR I get the MAF reading drop from 38 to around 20. The vacuum sensor ...
FIX posted 12/2/2015
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Message Closed w/FIX
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VIN | 1GCHC23183 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Silverado 2500 HD
VIN | 1GCHC23183 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |