94 12v with problems
#1
94 12v with problems
I bought a 94 dodge ram 12 valve diesel. when I was driving it home it died on me. I let it cool down and then it kept going for one hour. So when I investigated I figured it was the shut off solenoid because I could hear a click and then it would die, but after I replaced it, I found out that was not the problem. So when it dies and I can manage to start it up I hear a clicking sound coming from the injection pump and it starts to run rough then it makes a clicking sound again and then it runs fine. Definitely know it is not the fuel shut off solenoid as there is no movement of the shut off lever as its making the clicking sound. If I let it cool down for 2 hours it will start up and run fine for approximately an hour. If someone could give me some answers that would be much appreciated.
Thanks, Mark
Thanks, Mark
#2
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Could be your fuel pump. At least that's where I think where the clicking would be coming from as they do start clicking with age. Cheapest and best place to get it would be the Cummins dealer. They run about $85 last time I checked. But before you start throwing money at it, hook up a fuel pressure gauge and see what kind of fuel pressure you're seeing. Should be about 20 at idle and up to 35 at higher rpm. Get it checked out quick though because no fuel pressure could destroy your fuel injection pump which is $1000 + labor.
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