P0505 The Definitive Guide to Throttle Position Sensor Diagnosis and Repair

That code can mean anything that interferes with a smooth idle, including bad gas, oil in the charge pipe, a dirty Maf sensor, even a broken ... Rodent nest in the air intake . You get the PO505 when a different idle pattern is detected it can be any place in the whole circuit . My car has been acting goofy, and just the other day it spit out the P0505 code (which usually means bad IAC, but I'm looking for some expert advice). Problem solved! It seems the "Wise One" here installed the EGR valve with no gasket. This allowed the hold down nuts to loosen (or they were ... How to fix a P0505 engine code: Idle Control System. A P0505 code is set when the computer detects the engine RPMs at Idle are erratic. It sounds like you are going to need to replace the Idle Air Control Valve. The IAC Valve is mounted to the side of the throttle body. The IACV valve is operated by a step motor. This motor has winding phases and is actuated by the output signals of ECM. Claim your FREE engine code eraser https://free.nonda.co ============================= nonda Auto DIY Center is the biggest auto DIY ... A P0505 is an Idle Air Control issue, it has nothing to do with the PCM. The IAC is what provides and controls all of the engine's air when the ... A CEL popped up with code P0505 "Idle Air Control Motor Circuit," and it started idling much higher than usual (probably 1500 RPM).