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Grinding noise under hood in park.

steel1849
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steel1849

steel1849

Posted
Posted

I replaced my ECM and FCM plugs with pigtailed aftermarket plugs.  When I started the truck it idled normally but when i pressed the accelerator there was a loud grinding noise under the hood.  What could I have done to cause this?

 

It sat for over a month before I made the repair.

Disconnected batteries first.

Spliced wires one at a time.

Reset throttle sensor before starting.

No codes.

IMG_20220627_162638804.jpg

Max Tune

Max Tune

Posted
Posted (edited)

Take belt off and try again. If noise goes away, check for bad bearing somewhere....

Also check to make sure your starter isn't staying engaged....

Edited by Max Tune
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