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Old 02-22-2015, 01:44 AM   #1
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High Idle with P1506 code

Hello everyone,

I am struggling with a big problem with my 2000 ford focus ZX3.

the idle on it would raise to 2000 rpm or more and takes forever to drop down when i am stopped. When driving,the car feels like it is on cruise contol ( but I don t have cruise control on it).

My question is that i am not entirey sure it i oming from the IAC. The PCV hose has already been canged twice.

If I unpluged the IAC, the car would idle (a little low) and drives fine.

Do you think the probem i coming fromthe IAC?

I just would like a confirmation before attempting to replace it.

Thank you for your help


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Old 02-22-2015, 01:50 AM   #2
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Remove the IACV and clean it with carb cleaner. Check the rear PCV hose for any cracks and, squeeze it to see if it is squishy.
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