Getting CEL after Cam install.

[heavyD]

Since I have installed my HKS 264 cams, I get a random "idle control system" CEL that I never got before. The car does idle higher now (about 1000 - 1100 rpm) otherwise everything is fine. I got this code last year and it was the IAC motor. I replaced it with a used one from the wreckers. Are the IAC's on these cars that much of a POS?

 

[heavyD]

Anyone? Over a month later I have replaced the IAC, BISS screw and O-ring, checked for leaks and nothing. The car idles at about 1100 RPM nice and steady & a little lopey, never drops or stalls (with AC on drops to a steady 850/950 RPM). I got the timing checked and it is right on. The car runs excellent but I continue to get the P505 (Idle Control System) CEL every second day or two. Does anyone know what else can trigger this CEL?