1990 Buick Century iac valve

1990 BUICK CENTURY
176,000 MILES • 4 CYL • FWD • AUTOMATIC
Avatar
CHADBIRD1
  • MEMBER
  • 2 POSTS
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
Advertisement
Avatar
BMRFIXIT
  • CERTIFIED EXPERT
  • 19,053 POSTS
Check for any vacuum leaks
check IAC wiring back to the ECM
Mar 15, 2009 at 8:43 PM
Avatar
CHADBIRD1
  • MEMBER
  • 2 POSTS
ok i will try that and gheck back after i do.. thanks
Mar 15, 2009 at 8:57 PM
Advertisement