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Old 01-07-2020, 03:02 PM   #4
fetchitfido
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Join Date: May 2006
Posts: 14,453
 

2001 SC2
Default Re: Throttle always sticks a bit DOHC

It sticks because the engine burns oil and the PCV valve pulls the oily mess back into the intake which coats the throttle plate in oily goo.

Don't mess with the stop screw, it's more annoying than it's worth to get the idle back where it belongs if you do.

You can try one of those fixed orfice PCV valves and see if that helps extend the time between cleanings.

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