Cummins isb dpf analyzer question

Nicholes Technician Reading, Pennsylvania Posted   Latest  

So I have seen on some trucks when I run the dpf a…lyzer it will fail for turbo maximum speed, but when I follow the steps and inspect the turbo most of them pass. But there is really no additio…l checks it has you do. has any one else run in to this?

Michael Diagnostician
Champaign, Illinois
Michael Default

I would not solely rely on that test. I have seen sofware issues with Cummins for years. Such as their fuel injector performance test. Do you have a scope to test the Turbo? Also do you have any codes or a distinct symptom? That would help all of us out here to help you better.

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