Chances are if your OBDII DTC P0325 has been lit on your dashboard, your Malfunction Indicator Lamp (MIL) should flash. This check engine light means that more than likely, your Honda Accord knock sensor has come apart.
Today I’ll be showing you how to change a Honda Accord knock sensor in a 2000 Honda Accord EX with a 2.3 liter F series SOHC engine in it. The Honda Accord knock sensor part number is 30530-P5M-003. This one pin sensor can also carry a part number of 30530-P5M-013 or 30530-PM5-013, and can also be found under certain Acura part numbers as well as Isuzu.
You will need to unplug the oil pressure sender ( the rubber boot shown to the right of the knock sensor ) and then unplug your knock sensor. If you are removing your axle to complete our how to change a Honda Accord knock sensor DIY Guide, raise the front of your vehicle and secure it safely.
The knock sensor in your Honda Accord is responsible for informing your Honda ECU of knock, or engine detonation. Detonation occurs in an engine when there’s not enough fuel or there’s something wrong with your 2.2 liter or 2.3 liter Honda F series engine ignition system. Regardless of the problem that could be causing the lean condition, you will need to replace or repair your Honda Accord knock sensor to fix the OBDII DTC P0325.