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Old 08-11-2010, 09:32 PM   #8
yarrgh
Scooby Specialist
 
Member#: 80465
Join Date: Jan 2005
Chapter/Region: RMIC
Location: Denver
Vehicle:
2001 2.5RS
Black Diamond Pearl

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Quote:
Originally Posted by ronemus View Post
You may have a sticky Idle Air Control valve. Try spraying some carb cleaner through it while the engine is running. For a long-term fix you might want to remove the IAC valve and "exercise" it after spraying the works with WD-40. Mine got sticky at around 60k miles but it's been working well for 17k miles since I treated it.
DBW cars don't have IACVs, their idle is controlled by the throttle. The human isn't in control of the throttle, the computer is. Hence the need for tuning...
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