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P0505

Hi there. It seems that your vehicle has multiple malfunctions that are happening at the same time. The idle air control valve has a fault, evaporative emission system has a large leak, the gear ratio is incorrect, and knock sensor...

The mechanic that checked your vehicle is giving you a possible fix by cleaning the throttle body (https://www.yourmechanic.com/services/clean-throttle-body) of built up carbon. This may help with the idle and P0505 code (https://www.yourmechanic.com/article/p0505-obd-ii-trouble-code-idle-control-system-malfunction-by-jay-safford), and for passing the emissions test (https://www.yourmechanic.com/article/how-to-pass-an-emissions-test-by-mark-vallet). The...

For the P0505 code, you should make sure that the PCV valve is clean or you should have the valve replaced (https://www.yourmechanic.com/services/positive-crankcase-ventilation-pcv-valve-replacement). The throttle idle valve should be removed and throttle plates and IAC passages cleaned out (https://www.yourmechanic.com/services/clean-throttle-body). Make sure...

Hi there. The codes that you are getting indicate a couple of different issues. The P0700 and P0720 codes indicate a transmission problem. These indicate a failure in the transmission output speed sensor. I have seen more wiring issues than...