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P1506 Diagnostic Trouble Code Discussion for June 2010

Idle Air Control System RPM Higher Than Expected


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Trouble Ticket Help Requests for DTC P1506
Help Request Posted
2000 Ford Explorer Postal 4.0L MIL Lamp on, High Idle VIN: 1FCMU69K6Y
P1506: idle over speed limit. ... for any help you can give me on this one! I have a postal service truck here that keeps setting a p1506 (idle over speed limit), along with a intermittent high idle. When the vehicle is initially started it does not come down from about 1500 rpm until you ...
June 05, 2010
2000 Ford Explorer Postal 4.0L MIL Lamp on, High Idle VIN: 1FCMU69K6Y
P1506: idle over speed limit. ... for any help you can give me on this one! I have a postal service truck here that keeps setting a p1506 (idle over speed limit), along with a intermittent high idle. When the vehicle is initially started it does not come down from about 1500 rpm until you ...
June 05, 2010