Most recent computer update for 6.0? Having mpg problems
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Mountain Pass
Joined: Mar 2013
Posts: 224
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Most recent computer update for 6.0? Having mpg problems
Hey y'all, just wondering when the most recent update was for the 6.0 computer systems? Truck sat for 3 weeks now my mpgs have decreased from 16-17 on the interstate to about 12-13 and average per tank the last 2 fill ups has been 12 and it usually 14-15 avg per tank. Truck still runs fine and has plenty of power just thought I'd flash the pcm and see if that would help the mpgs a bit. Injectors and fuel pump have 12k miles on them, cleaned EGR valve and MAF sensor 4k miles ago, added rev x less than 1k miles ago, air filter has about 6k miles ago. So could this be a computer issue? My tranny is also shifting really hard and last time it did that I had the computers flashed and it fixed that problem.
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Mountain Pass
Joined: Mar 2013
Posts: 224
Likes: 1
But that was before rev x and I had good mpgs since then
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Wrenchtraveller
Modular V10 (6.8l)
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Jan 27, 2006 02:20 PM
