{youtube}WjhJXCrr0Mw|615|345|0{/youtube}
This seems to be a common complaint on this car. Though I did not find anything with my visual inspection of the IAC valve, a new IAC valve or solenoid did fix this issue.
Engine Performance Diagnostics chapter 20
- intermittent high idle
- intermittent stalling
- humming, moaning, hooting sound from the air cleaner box
- idle speed control error fault codes
- replace idle air control valve (solenoid)
- how to interpret IAC duty cycle on a scan tool
- how to determine if the computer is causing or compensating for the idle speed problems
- how to remove the IAC valve
- scan tool
end faq
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(Chapter 20) Idle Speed Problems and Testing
Related videos:
Ford Idle Air Control (IAC) valve test (how to adjust minimum idle speed):
{youtube}ayjhL9jpFH8|615|345|0{/youtube}
P0506 IAC System RPM below expected (vacuum leak) - Ford:
{youtube}Sqpelz3aTNQ|615|345|0{/youtube}
Ford idle air control valve (IAC) test - stalling problems
{youtube}0r3nCwZsS3M|615|345|0{/youtube}
How to test an idle air control valve (IAC) using a Picoscope - Ford:
{youtube}WoFt3uzQd44|615|345|0{/youtube}
end faq
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For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available as an eBook or paper book.
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On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. What is so special about these classroom case studies? I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere!