P0505 The Ultimate Guide to Resolving Throttle Position Sensor Problems

It says most common reasons are Stuck IACV or a vacuum leak. When I suspected IACV problems, I just popped the valve off, 2 bolts, stuck a 9 volt battery to ... It seems that the hose doesn't want to stay fully engaged and keeps cocking a bit. I'll pickup a hose clamp tomorrow to help secure the hose. Celica Forums General Discussion General Code: P0505 ; IDLE AIR CONTROL SYSTEM FAULT. I have a code P0505 for the idle air control system. Truck idles at about 1500 RPM and you can hear a sucking noise from the trottle body where the IAC goes in. How to quickly test and replace an idle air control valve. ▻ Subscribe: http://youtube.com/carsntoys ▻▻ Tools: ... 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 ... 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 ... This code happens when the actual idle speed varies from the target idling speed by more than 200 rpm, for five times or more during a drive cycle. 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 . The code P0505 stands for “Idle Control System Malfunction,” which means that the powertrain control module (PCM) can't control the idle speed.