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2008 Chevrolet Silverado 2500 HD LTZ 6.6L Poor Fuel Economy
Posted to GM Driveability on 12/7/2011 8 Replies

Need some help on this one, duramax LLM very high oil consumption, 1 gallon per [...], [...]. Oil seems to be getting sucked through pcv valves, into turbo inlett, through intercooler and back around, all connections and egr very oily. Turbo seems to check out...

8 Replies Received (View Replies)

  Related Documents & Media  2008 Chevrolet Silverado 2500 HD LTZ

 
Message Closed w/Summary

car Vehicle Data

2008 Chevrolet Silverado 2500 HD LTZ

VIN [No VIN Available]
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Misc.Duramax Diesel
Message Closed w/Summary

car Vehicle Data

2008 Chevrolet Silverado 2500 HD LTZ

VIN [No VIN Available]
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursAlways
Misc.Duramax Diesel