My neighbor is working on his dad's 03 Dodge PU with a 3.7L V6. It's got a bad miss, he's done compression check various times with separate gauges-looks decent. He has changed plugs, checked coil packs-they all are good. He pulled each individual injector, all appear to be spraying fine.
Any idea what could have happened? I did a little research, sounds like maybe a rocker has slipped off, causes carbon buildup and not allowing valve to close or possibly not opening. He used to be a GM mechanic, but this one has him stumped.
Any ideas?
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'99 Tahoe, 3" BL, 285/75/16's , MT II's.
'05 Liberty Sport, -wifey's
'98 Poncho Fireturd, 3.8L, .....the purple pig!