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Re: Poor Fuel Economy - Advice?
You need to find someone that can alter the factory tune settings. I talked to my buddy's son about one of the programmers for a friends pickup. He said he didn't think much of them, a proper tune would likely yield better results, especially for the $$$. Diablo Motorsports was the name of the programmer I believe. My buddies 2008 5.3 4 door 2WD gets 17 MPG, he was hoping for better. He has not yet done anything.....
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