So I finally got the crazy Idle issue fixed on my car. now I got everything running good no major issues that I can find. Idle is sitting at 8-900 RPMs no surge nothing like that. But the CEL came on giving me these codes. First I erased them thinking it could be from the old Idle surge issues. Ran the car for 2 hrs just Idleing and bam the codes were bad. Erased again, not 2 min later they are back. Any body have any ideas?

P0505 Fuel pressure solinoid
P1105 IAC Valve.

 

Ok well I got rid of the 505 code. Im still getting the 1105 FPS code. Still no idea.

All I did to get rid of the P505 was inspect and clean the Battery cables and I cleaned up a conection on the fuel pressure/Intake manofold solinoid. Put on some electric grease and no more code.

 

Update: Found that my FPS is reading an O.L. when I ohm it out. So that is why I am getting the P1105. I am in the process of looking for a new/used one for replacement. If anybody has one and is local please let me know.

Thanks