Most of the time, the fix for P0325 in the F150 (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 F150 as it would any other vehicle.
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