Questions & Answers for: Toyota Camry p0505 code

...with IAC valve but made no difference. We had the check engine light read. The codes where: P0446, P0505, P0402, P0401. Get a timing light and check it.If the mark is jumping all over the place,

Check engine light on. The codes are P0420 catalyst efficiency and P0505 idle control system. What do I need to do to fix this?? You need a catalitic converter p0420. Possible iac motor p0505...need ...

code p0505 for toyota camry p0505 is isc idel speed control ac valve /trottle valve sticking

...P0505 error code on toyota camrey disconnect the IAC plug. The IAC is a throttle bypass valve. Start the car . If the fault code doesnt reappear it is the IAC module. You may set other fault codes ...