I don't know if this is normal for a 7.3 powerstroke, but when I'm at a light my truck starts to tremble a bit but it does not stall out. Then when i accelerate its feels good. i have also started hearing my truck sounds retarted deccelerating like if its out of timing ? Any help I just bought the powerstroke im new to diesels

 

CPS.

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Thanks.

 

Try a cps but they usually cut all the way out