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P1338 Diagnostic Trouble Code Discussion for September 2013

fuel pump circuit

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Trouble Ticket Help Requests for DTC P1338
Help Request Posted
2004 Jaguar XJ8 4.2L Poor Idle Quality, Hesitation VIN: SAJEA71C54
P1338: fuel pump circuit. Customer had rough idle, no response to acceleration "Reduce performance" message. The car was towed.This car is always starting and runs fine for us. The fault code is related to fuel pump circuit. Before condemning the pump, we measured fuel pressure...
September 03, 2013