Bryan T Posted January 17, 2018 Share Posted January 17, 2018 Hi new to this group hope i can get some help on one of the issues i have with my car which is an a6 c6 2.0tdi sline multitronic. I recently had a fault code reading and the only thing that came up was, Boost pressure Regulation Limit Exceeded (over boost condition) P0234 - intermittent. Can anyone advise me what i need to check or clean or even replace pls. tia Quote Link to comment Share on other sites More sharing options...
niedzial1983 Posted January 17, 2018 Share Posted January 17, 2018 Z16618/P0234/000564 Contents [hide] 1 16618/P0234/000564 - Boost Pressure Regulation: Limit Exceeded (Overboost Condition) 1.1 Possible Symptoms 1.2 Possible Causes 1.3 Possible Solutions 16618/P0234/000564 - Boost Pressure Regulation: Limit Exceeded (Overboost Condition) Possible Symptoms Malfunction Indicator Light (MIL) ON Boost Pressure too high Reduced Power Output Possible Causes Hoses incorrectly connected, disconnected, blocked or leaking Boost Pressure Control Valve (N75) faulty Boost Pressure Sensor (G31) faulty Turbo Charger stuck/faulty Possible Solutions Check Charge Pressure Control System Perform Output Test (to check the Turbo Charger) Perform Basic Setting (to check the Charge Pressure Control) Perform Pressure Test to locate Leaks Check/Replace Boost Pressure Control Valve (N75) Check/Replace Boost Pressure Sensor (G31) Check/Replace Turbo Charger Quote Link to comment Share on other sites More sharing options...
Bryan T Posted January 17, 2018 Author Share Posted January 17, 2018 1 hour ago, niedzial1983 said: Z16618/P0234/000564 Contents [hide] 1 16618/P0234/000564 - Boost Pressure Regulation: Limit Exceeded (Overboost Condition) 1.1 Possible Symptoms 1.2 Possible Causes 1.3 Possible Solutions 16618/P0234/000564 - Boost Pressure Regulation: Limit Exceeded (Overboost Condition) Possible Symptoms Malfunction Indicator Light (MIL) ON Boost Pressure too high Reduced Power Output Possible Causes Hoses incorrectly connected, disconnected, blocked or leaking Boost Pressure Control Valve (N75) faulty Boost Pressure Sensor (G31) faulty Turbo Charger stuck/faulty Possible Solutions Check Charge Pressure Control System Perform Output Test (to check the Turbo Charger) Perform Basic Setting (to check the Charge Pressure Control) Perform Pressure Test to locate Leaks Check/Replace Boost Pressure Control Valve (N75) Check/Replace Boost Pressure Sensor (G31) Check/Replace Turbo Charger so in newbie plain English what do i need to do, i am very new to audi and especially diesel turbo i have always owed petrol cars and done all my own work so i am sure with the right advice i can sort the problem Quote Link to comment Share on other sites More sharing options...
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