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Re: Duramax High Side Fuel Pressure Diagnosis
Posted to HD/Fleet Forum on 3/28/2007 2 Replies

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The test that I am using to confirm high pressure system failure is to command the FRP to 160 MPA AT IDLE. The highest that we get, according to the scan data is around 120 MPA. We have a code P0093 s... Login to read more.

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