Re: Here we go again!!
Well I have 85K miles on my truck.
This weekend I put my truck on my father in-laws SnapOn Scanner and went throught the whole engine. I could not get it to thow a code for me while it was plugged into the truck. I went through all the injectors and checked for any history of misfires and misfires while running. So that was good news. I left my In-laws house and was getting 7.5mpg. I decided I should change my airfilter. Supposedly the air filter is rated for 100K. But I went ahead and replaced it this weekend. $60 at Autozone. Gas mileage is back up to normal. Truck is running VERY good. My old filter was pretty bad. I could even tell a weight difference when holding the new vs. the old.
Might want to check your filter.
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