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Thank you all for the great info. I got a v/c gasket on the way from Geno's. I will follow the diagnostic procedure further if the gasket doesn't cure the issue

No other codes. When light comes on, it shuts down 3 cylinders, other than that, no running issues. I was going to check resistance on wire harness from valve cover gasket, but was not sure where the other end was. Looks like it goes from valve cover down side of block into a big bundle with...

I have a stock 2006 3500 4x4 with 111k miles. I have been getting a p2149 code. I disconnected the wires to injectors. I checked resistance across the injectors and the valve cover gasket from plug to injector wire. All tested at .3 ohm. What would the next step be? Thanks

Well. After sitting a week waiting to test fuel pressure, they say fuel pressure is good. Now saying PCM is bad. I am having it towed out to a shop I trust. My question is will a bad PCM cause loss of communication with wcm causing it to need to be programmed? Then when they install new wcm and...

I agree. I thought fuel system issue from the start. Now I am just trying to figure out how to address my WCM concern. I am guessing I am hosed since I approved the repair and have no way of determining the validity of the diagnosis.

Have less than 30k miles on cp3 and injectors. I guess I will have to wait and see what their pressure test shows. So is it just their scan tool that is used to diagnose WCM communication? P0513 was the only code that showed. So it is either coincidental that both problems occurred at the same...

I will try to make this brief. I was about 150 miles from home towing 8k toy hauler going up slight grade. Truck downshifted and a couple of seconds later the truck started making a loud clattering noise and blowing white smoke. I immediately pulled over. The truck would now crank but not start...

Thanks for all the info and insight. I now have some good ideas of what is normal and what direction I can go for improvement scott

Bought my first diesel a few months ago. I am still trying to figure out what is normal. It is a 2006 Mega cab 4x4 and has about 43k miles. The only change so far is 285 Nitto tires. I have been using it lately for my pool service truck and have been getting pretty poor mpg. I am only getting...