Idler problem

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02-06-12, 02:53 PM

RHERNANDEZ

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Idler problem

90 ls400 the idle is going high and low on the tachometer need help this issue.

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02-08-12, 09:54 AM

tonyfazt

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probably a vacum leak somewhere or (spark wires?)

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02-09-12, 01:09 PM

steve2006

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Also check and clean your throttle body and IACV.

http://www.lexls.com/tutorials/EFI/throttlebody.html

http://planetsoarer.com/IAC/iac.htm

Last edited by steve2006; 02-09-12 at 01:18 PM.

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