02 dually Posted March 16, 2015 Report Share Posted March 16, 2015 I have an 02 dually 8.1 allison awd and it gets real bad milage. Anyone having simular problems? Could it be fuel regulator? Any help would be nice. Quote Link to comment Share on other sites More sharing options...
EXGM Posted March 16, 2015 Report Share Posted March 16, 2015 Doubt it would be regulator. Need more info did it just start? My short funny answer is a 8.1 and mpg don't belong in same sentence... It's is a big block after all. Quote Link to comment Share on other sites More sharing options...
levilz Posted March 16, 2015 Report Share Posted March 16, 2015 I thought the same thing when I read the title, Lol. The 8.1 is the problem. Honestly though, any other symptoms (check engine light, running like crap, etc.)? What kind of gas mileage is it getting? Quote Link to comment Share on other sites More sharing options...
8hnpSS Posted March 20, 2015 Report Share Posted March 20, 2015 you have an 8.1 with awd. to top it all off you have a dually. i dont think those things were built for any sort of fuel mileage. i wouldnt expect to break out of the single digits with one. how bad is the mpg? how many miles on the truck? Quote Link to comment Share on other sites More sharing options...
jsanders347 Posted March 20, 2015 Report Share Posted March 20, 2015 I wouldn't think someone would buy an awd dually with an 8 liter and expect decent fuel mileage. Quote Link to comment Share on other sites More sharing options...
EXGM Posted March 21, 2015 Report Share Posted March 21, 2015 I wouldn't think someone would buy an awd dually with an 8 liter and expect decent fuel mileage. Well another thing they never made an awd 8.1 it only came with 4x4 or 2wd... Isn't this a SSS forum? Lol Quote Link to comment Share on other sites More sharing options...
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