Question about 2001 Ford F150 Styleside SuperCrew
It acts like it is missing and idles at different speeds while it is running
If its the 4.6 with the COP (coil over plug) design ignition system, run it until it throws an engine code (light). Take it to the nearest Autozone. They do a free diag check with an OBD2 scan tool. If it's the same as my truck it most likely is a failing coil, the scan will tell you the cylinder and they print out the cylinder numbers on receipt paper. Pick up a motorcraft coil for around $55 throw it in yourself in the parking lot. They can clear the code for you once switched out. Saves around $300 instead of going to the dealership. Or, pick up your own OBD2 scanner from the friendly mac tools supply truck. It's around $50, but is well worth it in the long run.
Posted on Jan 29, 2009
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Posted on Jan 02, 2017
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