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Prev Professional Automotive Repair Technical Discussions for August 11, 2019
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1997 Ford Expedition Eddie Bauer 4.6L MIL Lamp on VIN: 1FMEU1768V
I have this truck in for a p0401. I with through the EGR testing process by checking the DpFE voltage with the system close and commanded on. I only get about 1.28 at idle with the EGR open. I verified that DPFE was still good by checking with a know good ... Trouble codes: P0401 (EGR insufficient flow)
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