Originally Posted by chisum
Got 03 3.0l V6 XLT. Had aftermarket MAF sensor throttle body spacer and K&N intake put on. Now check engine light is on and engine idle rough/high idle. Anyone have any troubleshooting tips. Im looking for real help here not BS.
Take those 2 parts back off and your truck will run right, and not throw a CEL. You just wasted your time putting that stuff on.