06 chevy suburban fuel economy.

Asked by Nowhere2bfound83 Jan 18, 2019 at 05:23 PM about the 2006 Chevrolet Suburban

Question type: Maintenance & Repair

I rebuilt the front end of my suburban. The fuel
economy in 2wd went from 18mpg to 15mpg.  I
drove my truck in 4wd and the fuel economy was
18mpg. Any ideas what would cause the loss in
economy but 4wd helps it?

2 Answers

Driving conditions perhaps or maybe you are only guesstimating the fuel economy?

Your Answer:

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