Hello ppl I have a 97 F350 w/7.3 powerstroke it hates cold weather starting and changed glow plug relay but didn't change cold starts. Once warm its fine. However the problem i am having is that the engine light will come on and acts like im losing a couple clyinders. checked connectors at valve cover and one of them was oil soaked in the connection. Hope that is problem. Voltage meter will jump when light comes on. For a while it did it twice after start up then would run fine now its hit or miss more hit now . just trying to narrow down problem before changing everything.