Cummins misfire when turbo boost above 10 psi
We own a 2004 Holiday Rambler Scepter with the 350HP Cummins turbo engine. The motor home has less than 30K miles on it. While on the road yesterday, I encountered a problem whereby the engine sta...
Forum Discussion
FrankK wrote:
Sorry, one other update on this. I had no "lit" idiot lights (e.g. water in fuel, check engine, etc.). I also checked for stored engine diagnostic codes and there were none. So I'm going to replace the fuel filters first (they are a little less than a year old) and if that does not resolve the issue, I'll check the electrical connectors for the ECM. I too, like to start with the easy and cheap, then work towards the difficult and expensive. :)
When ours would hiccup or actually quit because of the bad ground of the ECM, it never gave any codes or lights it would just skip a beat and continue to run, or just quit.
when we shook the harness it would actually make and brake the ground to the ECM, and when it did the engine would stutter.
Filters first, then check the ECM by shaking the harness to it. It's an easy fix if that is the problem.
