1990 Buick Century iac valve

1990 BUICK CENTURY

176,000 MILES • 4 CYL • FWD • AUTOMATIC

CHADBIRD1

MEMBER
2 POSTS
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i keep having a code come up for the iac valve but i have replaced it and the idle is running way to high. when driving down the road it idles at about (25-30) mph.. can anyone help with this??

Mar 15, 2009 at 9:25 AM

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BMRFIXIT

CAR REPAIR CONTRIBUTOR
19,053 POSTS

Check for any vacuum leaks
check IAC wiring back to the ECM

Mar 15, 2009 at 8:43 PM

CHADBIRD1

MEMBER
2 POSTS

ok i will try that and gheck back after i do.. thanks

Mar 15, 2009 at 8:57 PM