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Q: idling on 2003 Isuzu Ascender

how do adjust the idling on a 2003 assender
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There is no adjustment, this is a Computer Controlled Idle system, so if the idle isn't proper, there is most likely a fault condition. Best to have the Engine Computer scanned to see what is out of balance and to see if there are any codes. Is there a Check engine Light on?
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