Bad IAC?
#1
Bad IAC?
I have had some problems with bouncing idle. I looked everywhere for vaccum leaks and couldnt find any. I even unplugged the the PCV hose from the manifold and the idle was still surging. I dont have a scanner to find the counts of the IAC but when I unplug the IAC when the car is running it idles a little high but it doesnt bounce anymore. Could i t be a bad IAC or would it have to due with my mail order tune?
#5
K....well I took the iac odd the tb and pulled the plunger out till it would hit the hole in the tb (iac fully closed not allowing air to bypass tb). I then started the car with the iac still unplugged but installed on the tb and it idled fine. Does this mean I have a faulty iac or is it the tune?