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About LinkBacksiHave had a P1506 code come up two weeks ago and i have replaced the IAC valve after doing some searching on here. Well two weeks later the light has now come back on. I am stumped on what it can be. Anyone have any suggestions?
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This is a discussion on P1506 code within the EEC Tuning & Diagnostics forums, part of the General Tech & Engine Section category; iHave had a P1506 code come up two weeks ago and i have replaced the IAC valve after doing some ...
iHave had a P1506 code come up two weeks ago and i have replaced the IAC valve after doing some searching on here. Well two weeks later the light has now come back on. I am stumped on what it can be. Anyone have any suggestions?
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Here's what Ford says:
P1506 - Idle Air Control (IAC) Overspeed Error.
This DTC is set when the PCM detects engine idle speed that is greater than the desired rpm.
- IAC circuit short to ground
- Damaged IAC valve
Disconnect IAC valve and look for little or no change in engine rpm as an indication of a stuck or damaged valve
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You should also confirm your assumption that the code that is currently stored is the same as the P1506 you got before.
check wiring
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thanks for the help everyone got one problem fixed no for the others
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