Question about 1995 Buick LeSabre
Get the IAC checked.The idle air control valve.
The idle valve is probably stuck. It probably needs to be changed. This may also indicate a vacuum air leak. The idle and all other vacuum systems are connected. If one leaks, the idle may be effected.
The idle air control motor (IAC) is located at the top/front of the throttle housing and has a black electrical connector with four wires attached to it. The nose of the "new" IAC valve must not exceed 28mm or upon installation the "new" IAC can be damaged according to the installation instructions in the workshop manual. Simply remove the screws securing it to the throttle housing and replace.
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Posted on Aug 07, 2010
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Posted on Jan 02, 2017
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