P0505 The Ultimate Resource for Diagnosing and Fixing Throttle Position Sensor Issues

LS - 1st and 2nd Gen (1990-2000) - P0505 Idle control malfunction - Got a CEL this weekend on my '98 LS. I pulled a P0505 code out of it ... Idle Air Problem, not IAC valve! (code p0505) · About once every 30 drives, the idle surges. · Every drive, when the engine is up to temp, ... P0505 can be caused by not only a bad IACV but also a vacuum leak, misadjusted idle speed, bad ECT sensor/circuit, or bad TPS sensor/circuit. Detailed information on troubleshooting and repairing a P0505 DTC code which refers to a malfunction of the IAC (Idle Air Control) system. How to test and replace idle air control valve ! CODE P0505 ! Quick and Easy Fix ? Hi guys, The problem with this car is that after starting ... The P0505 trouble code indicates an "Idle Control System Malfunction." This diagnostic trouble code (DTC) is triggered when the engine ... P0505. Idle Control System Malfunction. CIRCUIT DESCRIPTION. The rotary solenoid type IAC valve is located on the throttle body and intake air bypassing the ... 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. P0505 code definition Idle Control System Malfunction What the P0505 code means P0505 is an OBD-II generic code that the engine control module (ECM) ... TJ Addict · Faulty Idle Control System motor · Idle Control System motor harness is open or shorted · Idle Control System motor circuit poor ...