P0351 p0352 p0353 and rough idle

[Fr8lines]

Howdy all, was doing maintenance on the truck and changed out the coil packs, and now getting p0351 p0352 p0353 with rough idle, no loss of power. Checked for spark at the plugs and i have spark. Checked cam synch and it’s fine.checked wires for break and nothing I can find. Next in line was checking pcm, installed another working one I had lying around and getting same codes. Could the camshaft position sensor be the culprit or am I missing something else. Spark plugs and cables are 1500 miles old.

 

[amj441]

Howdy all, was doing maintenance on the truck and changed out the coil packs, and now getting p0351 p0352 p0353 with rough idle, no loss of power. Checked for spark at the plugs and i have spark. Checked cam synch and it’s fine.checked wires for break and nothing I can find. Next in line was checking pcm, installed another working one I had lying around and getting same codes. Could the camshaft position sensor be the culprit or am I missing something else. Spark plugs and cables are 1500 miles old.

having almost one entire bank of the engine misfiring is unlikely. check your wiring and make sure that the wires to the coils are in good shape and fully inserted. I know the weather strip likes to fall out/shift and get in the way sometimes and cause it to not seat fully.