![]() Manually open and close the wastegate in order to make sure it is working properlyĬheck the boost sensor, injection pressure control, and exhaust pressure sensor to make sure they are working properly Uses an OBD-II scanner to collect all diagnostic trouble codes that have been stored by the PCMĬhecks for damage or loose connections in the turbocharger/supercharger boost system hosesĬhecks for leaks in the turbocharger/supercharger boost system oil supply line How does a mechanic diagnose the P2263 code? The vehicle may stall and shut off during operation.Strange noises coming from the turbocharger. ![]() When/if the exhaust pressure falls below or exceeds that predetermined range, the powertrain control module (PCM) will store the P2263 diagnostic trouble code and the Check Engine Light will come on. Vehicle manufacturers predetermine the range in which exhaust pressure is expected to stay. The turbo/supercharger uses exhaust pressure and an air/fuel mixture to create boost. The P2263 diagnostic trouble code indicates that there is a performance issue with the turbo/supercharger boost system.
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