Alero, Grand Am 1999-2005

Adjustments

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Idle Speed



Idle speed and mixture for all engines are electronically controlled by the computerized fuel injection system. Adjustments are neither necessary nor possible. All threaded throttle stop adjusters are factory set and capped to discourage any tampering; in some areas, tampering is illegal. In most cases, proper diagnosis and parts replacement will straighten out any such problems.

 
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