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Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 9453
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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I have a yellow engine light on with my Newmar 2007 450 diesel

Customer Question

I have a yellow engine light on with my Newmar 2007 450 diesel pusher. I believe my faults are source 0 engine, SPN 2791 FMI7, MIB 128 engine, SID 146 FMI 7
Submitted: 2 years ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 2 years ago.
Hi I'm Wayne
I will help you with this
your fault code is # ***** injector is failing
or you have water in fuel system,
try a additive for 200= miles , if code still there
get to a Cummins dealer , and have #1 injector replaced
If this helped you, Please rate my answer

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