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Thread Title:

Cummins Comfort Guard APU Issues

Created On Monday August 22, 2011 17:35 Diesel Talk
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Joined: Aug 2011

Note Monday August 22, 2011 17:35 View thread in raw text format
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Model # 4DKHA-6204B.

It starts and runs 2-5 minutes, then dies. Fault code 36. Further attempts to start it, it just cranks and cranks, throws fault code 32. Let it sit for several hours, and we're back to the running for 2-5 minutes b4 i dies again. I've replaced both fuel filters, electric fuel pump is new and working. There is a prime feature on the switch, so I can test the lines for fuel flow. I can watch the fuel flow through the inline filter while it's running. It's not running out of fuel, at least, at that point.

I'm at a loss here and need some help!
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