1998 BMW 7 Series "po505 idle air control system" Questions

on 98 bmw 318i what causes code p1140 and po505 P0505 (Idle Control System Malfunction) P1440 (Mass or Volume Air Flow Circuit Range/Performance )

...idle air control value, because the code is po505. and i cleared the code and the engine light still on and it come up with the same code , but the truck run great , can anyone help? P0505 - Idle ...

PO505 my card is slow P0505 Idle Air Control System Not related to it being slow, only related to engine idle.

po505 idle control system malfunction what is that Possibly the Idle Air Control (IAC) system is not functioning properly. The computer gets input from the air conditioning pressure switch, the power ...

...PO505 IDLE SPEED CONTROL SYSTEM MALFUNCTION. Check out this video on You Tube for a potential fix. This fix worked for me. Check out this video on YouTube: ...

...idle air control system. can't find info about system. want to read more about it. and fix. also, have a surge mostly in the mornings. I need to replace fuel filter and spark plugs, so I know that ...

PO505 So from internet forum I did changed spark plugs all six and #5 cylinder ignition coil, Also check all wire connections and put all back. After reset 2-3 min was good and after it all came back

...PO505 You will need to get a Good Mechanic to look at this. There are 3 completely different problems here so it will need to be properly checked out. I've listed the Trouble Code definitions below. ...

...PO505 IDLE AIR CONTROL MOTOR CIRCUIT. P2781 AND PO1757 DID NOT SEE THEM IN CODE MANUAL.CODE PO505 WHAT ITS TELLING YOU.THAT YOUR STEPPER MOTOR COIL CIRCUIT IS SHORTED TO SYSTEM POWER B+ OR STEPPER ...