2014 RAM 1500 continuous cylinder 8 misfire

[abrahamd]

Hello there,
I’m having a continuous issue with my 2014 RAM 1500, 5.7 Hemi. It’s continuously throwing a misfire sign on cylinder8. We changed the ignition coil and spark plugs on cylinder8. We also did an injector kill test which doesn’t show no sign of a problem. what do you suggest I should do?

 

[crash68]

pull the valve covers and check if the rocker arms are moving, could be a failed lifter that wiped the cam. If all the rockers move then do a compression test.

 

[jws123]

How many miles on it? Probably time for the usual camshaft/lifter job every 4th gen will need it at some point in its life.