engine idle high replaced i.a.c. the voltage is out of speck what do I look for next
Jun 8, 2015 at 11:33 PM
SATURNTECH9
✓Experienced Mechanic
30,869 POSTS
Whats the voltage where and how did you check it?On the scan tool it shows the iac position in counts.Also have you checked the coolant temp sensor and for vacuum leaks and if you have any codes in the computer? A throttle position sensor circuit issue will cause a high idle as well.