![]() Most of them bolt right into the block, which makes accessing them difficult. A good place to start would be to check the wiring leading from the sensor and see if any of it has been damaged or frayed. When this happens the computer will operate as though it is getting no signal from the sensor at all. P0325 is telling you that the ECM/PCM is not getting the proper signal from the knock sensor. Most of the time, the fix for P0325 in the Mustang (or most any vehicle) is going to come from replacing the knock sensor or repairing the wiring harness. The only other symptom that you’ll probably notice is the service engine soon light itself. Without a signal from the knock sensor, many engines will curve the timing and power output to make sure that the engine is not knocking. The symptoms associated with P0325 are going to vary by engine and model year. This sensor will let the computer know to dial back the timing. If the timing has gotten too aggressive it’ll cause the engine to knock. Modern internal combustion engines utilize the knock sensor to allow for aggressive timing. Clearing this code typically requires a new knock sensor or correcting a short or break in the wiring harness. By definition, it means that the vehicles ECM/PCM isn’t getting the proper signal to or from the knock sensor. P0325 is a powertrain OBDII trouble code that has the same meaning for the Ford Mustang as it would any other vehicle. ![]()
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