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Dec 9, 2004 | 01:43 PM

dallas4k

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Iac

I replace ICA reset the code and the check engine keep comming back P0505.

Dec 9, 2004 | 04:31 PM

LxMan1

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From: Louisville,Ky.

Is it idling fast? How does it run? What are you working on?

Dec 10, 2004 | 02:42 PM

dallas4k

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yes, and it idle at 900 in parking position.

Thanks

Dec 11, 2004 | 11:18 AM

LxMan1

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From: Louisville,Ky.

I wouls look for a vacuum leak somewhere. PCV hose behind the intake is known to crack.
Has anyone messed with the throttle stop screw on the throttlebody? If it is opened too far, the idle can't return to where it needs to be.

Dec 11, 2004 | 01:06 PM

dallas4k

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I took it to the local auto shop they try to adjust idle screw due to high idle. How do I adjust the idle screw to the factory setting? Thanks for your respond

Dec 11, 2004 | 11:08 PM

LxMan1

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From: Louisville,Ky.

A good rule of thumb is to back it off until it isn't touching the linkage. Then turn it back in until it just touches then go about 1/4 turn. See how it does. If it is too low, you can go 1/4 turn until it is about 650/700rpm.