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A COMPLETE OVERVIEW OF CODE P0234 Code P0234 is generally defined as an engine over boost condition. It is referred to as a collective OBD-II code which is set off when the ECM (Engine Control Module) of a car suspects that the input signals from the intake boost pressure are over and above the assigned pressure limit of four psi for five seconds or more. This code usually occurs when the supercharger wastegate of the car is sticking out. This code is more common than you think. For instance, code P0234 in a VW Tiguan is as common as P0234 in a Ford Escape. To give you a complete overview of the code P0234, we’ll tell you all about its symptoms and the repairs which can fix it. So, let’s begin: Symptoms of code P0234 Some of the most common symptoms of code P0234 are: - The illumination of the check engine light. Once the code P0234 occurs in the car, it will set off the check engine light and the code would be safely stored in the memory of the Engine Control Module (ECM). - Code P0234 may also cause the seals or the heads to fail and is amongst the most common symptoms of engine over boost condition. - When a car has this code, its engine might run ordinarily until the pressure blows out a gasket. Whether there is code P0234 in a VW Tiguan or any other car, these symptoms are considered to be more or less universal. Repairs of code P0234 The repairs which can make your car free from code P0234 are: - In case the boost sensor is not providing accurate readings of input pressure to ECM, the best thing to do is to replace the boost sensor unit. - Getting a new wastegate control rod if the older one is damaged and not responding properly. - Repairing the wastegate hoses if there is an obstruction in the wastegate lines. This concludes the complete overview of the code P0234.