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Baby Duramax fifth return trip to dealer may have done the job

wildbill1973z28

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The Hen that laid the Golden Legos
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Just when I was considering burning it to the ground looks like fifth trip back to the dealer they may have did something correct 640 mile trip to Virginia averaged almost 29 miles to the gallon of course now that was interstate at 85 miles an hour the whole way!Mileage has dropped while just driving around in the snow looks like 28 miles to the gallon
 

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My big Mercedes SUV gets 31-32 on the interstate, 25 around town. And with only 166k miles, still a long time to go! Diesel forever!
Big Mercedes= Gelandewagen? Which model? Been eying used but haven’t seen one getting that mpg? Wife tired of driving/smelling my deleted Duramax. She drove the new Duramax for a couple months (it’s has DEF fluid for 100k miles at least) & asked why it didn’t stick like the old one. She prefers the SRW versus the dually. Both get better fuel economy than her full size gas suv.
 
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