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P0131

Hi there. Have the codes returned since the repair? It sounds like the valve timing control valves are sticking. The valve timing control valves control oil flow to the valve timing actuator and are a duty cycle type controller. The...

Hello. Codes P0456 (https://www.yourmechanic.com/article/p0456-obd-ii-trouble-code-evaporative-emissions-system-small-leak-detected-by-jay-safford) and P0131 (https://www.yourmechanic.com/article/p0131-obd-ii-trouble-code-oxygen-sensor-fault) can come up from a serious exhaust leak. From what you are explaining, it sounds like this is the issue. The exhaust leak will need to be located and repaired before further testing....