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  1. I4/I5 Engine & Drivetrain
    I have a crew cab 4x4 with the 4l60e auto trans and im having problems with the trans not shifting into 4th gear. It is only doing this when the truck as been sitting for 8 oro hours either when I start it up in the morning or when I get off of work it does this. It will hold onto 3rd gear...
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