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P1506 Diagnostic Trouble Code Discussion for August 2008

Idle Air Control System RPM Higher Than Expected

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Trouble Ticket Help Requests for DTC P1506
Help Request Posted
1998 Ford Escort SE 2.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1FAFP13PXW
P1506: IAC overspeed condition. This car is a nightmare, car in with a high idle after it warms up. Car had the same problem approx. 6 months ago, fix was a new iac. Car is back now with same problem, tried a new iac again ,but no change in problem. Seemed like a possible maf problem althoug...
August 18, 2008