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Old 10-13-2016, 08:08 AM   #61
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I have a relative that had a mid 2000s (maybe 2005) Dodge with Cummins and I will never forget his rants about it. I never paid attention to what the problems were back then but he learned to hate it.

Originally Posted by Taranwanderer View Post
About the biggest "horror story" you'll find about the Cummins engine is with the VP44 high pressure fuel pump going bad. As someone who went throught it in my old Ram--this happens because Dodge and Cummins couldn't agree on where to put the low pressure lift pump--Dodge wanted it mounted on the back of the engine for ease of assembly, and Cummins repeatedly kept telling them "no, it needs to go in the tank where it's cooled by the fuel and won't be subjected to the heat and vibration of the engine, causing premature failure." Guess who won that argument? So when it goes bad, the VP44 winds up getting no help from the dead lift pump and has to suck fuel all the way from the tank, which it will do for a little while, but wasn't designed to do at all, hence the expensive failure. So if you have a Cummins Ram and the lift pump hasn't been relocated to the tank yet (or replaced by a good aftermarket one,) do yourself a favor and do it ASAP...

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Old 10-13-2016, 09:13 AM   #62
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Originally Posted by tbln930 View Post
There are forums loaded with horror stories on Cummins engines. They are generally good but certainly have their own major problems.
I am on a Dodge/Cummins forum everyday and have yet to hear about a single engine failure horror story. In fact, the 5.9/6.7 Cummins engines are well known to run 500,000 miles and more. The guy just bought a new truck and we should be happy for him instead of being so critical.


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