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P1507 Diagnostic Trouble Code Discussion for August 2010

Idle Control System Malfunction

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Trouble Ticket Help Requests for DTC P1507
Help Request Posted
2002 Lincoln LS 3.9L Poor Idle Quality VIN: 1LNHM87A62
P1507: Idle Underspeed Error. ... repeat DTC P1507(Idle Underspeed Error).In other words the DTC is for a low idle speed concern.The technician before me replaced the IAC Valve(Factory Part,we work at a Ford Dealership)and shipped it.It came back less than 3 weeks later with same symptons....
August 27, 2010