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P0442, P0456 on 08 R52 Cabriolet

510 Views 0 Replies 1 Participant Last post by  MainTane
Hello everyone,
The OBD reader is showing these codes. I understand its an evap leak. The symptoms are that it will attempt to die at a stop unless you tap the accelerator. Also right after you pump gas, the car is difficult to start. I have put on a new gas cap. The air line on top left of the valve covers is stiff. The throttle body has been cleaned. I have seen some old post concerning this but was hoping for more info. I am not sure where the canister is located at yet, or what else can cause this to focus my troubleshooting
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