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P1506 Diagnostic Trouble Code Discussion for February 2007

Idle Air Control System RPM Higher Than Expected

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Trouble Ticket Help Requests for DTC P1506
Help Request Posted
2002 Ford F-150 King Ranch 5.4L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FTRW08L82
P1506: idle air ctrl overspeed error. ... complaint of check engine light on and the idle fluctuateing up and down.Hooked up the ol scanner and got p1506/idle air ctrl overspeed error-and po125/coolent temp too low/closed loop.My first thought was vacume leak so i p...
February 21, 2007