Compression Ignition Addict
Join Date: Nov 2008
Location: Castle Rock, Colorado
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Check the wires where it crests over the D/S valve cover (into the 42 pin connector), mine had begun to rub on my old truck but I caught it before issue.
Before I bought anything I would at least pull the valve cover harnesses and ohm them out. There are 9 pins, 4 glow plug, 4 injector pins and one big ground..... I'm pretty sure that's right lol.
Do you have access to AE? Can you do a cylinder contribution test?