CM871 poor power and fuel econ
04-11-2022, (Subject: CM871 poor power and fuel econ ) 
Post: #36
RE: CM871 poor power and fuel econ
sounds like you have a real mess on your hands there. Owner should stop blaming cummins (as the manufacturer) for problems created by 3rd party shops screwing around and doing half arsed work.

Like rawze said, check out that programming. You could be chasing ghost problems or just be unaware of other faults/problems being hidden/suppressed by bad programming.


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RE: CM871 poor power and fuel econ - JimT - 04-11-2022



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