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P2291 Diagnostic Trouble Code Discussion for February 2019

Injector Control Pressure Too Low - Engine Cranking


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Trouble Ticket Help Requests for DTC P2291
Help Request Posted
2008 Ford F-250 Super Duty XLT 6.4L No Start, MIL Lamp on VIN: 1FTSW21R78
P2291: Injection pressure to low. ... truck towed to my shop with a no start concern. pulled codes and found P2291 Low injection pump pressure. Scan data showed hp pump putting out on 40psi. I replaced the pump, lines, and harness. Truck still wont start. Scan data now shows rail pressure...
February 12, 2019