I'm getting a code "P0325 Knock sensor" does anyone know where is located - Honda Accord Forum - Honda Accord Enthusiast Forums


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Old 12-01-2010, 11:31 AM
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Default I'm getting a code "P0325 Knock sensor" does anyone know where is located

Hi i have a 1998 accord ex F23A1 VTEC and i'm getting this code "P0325 Knock sensor" does anyone know where is located
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Old 12-01-2010, 12:47 PM
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Yes sir, we can help.
Do a search in the search function above and it will come up for your help post.

WheelBrokerAng
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Old 12-01-2010, 02:11 PM
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On the back of the engine block, in the same general area as the oil-pressure switch. Shown in the picture as #14.
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Old 12-01-2010, 03:06 PM
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thank you jimblake i just have a question? can i change it without taking the intake manifold out?
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Old 12-01-2010, 03:06 PM
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thank you WheelBrokerAng, now i look what it looks like
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Old 12-01-2010, 06:34 PM
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I think you can crawl underneath & reach it from the bottom.

Support the car properly with stands, not a jack. Blood makes such a mess on the underside of the car...
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Old 12-02-2010, 08:56 AM
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oh ok jimblake i'll try it this afternoon thwnk you so much
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Old 12-05-2010, 11:54 PM
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Been a few days now, did you get it fixed up with this threads help .
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Old 12-06-2010, 12:41 AM
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diagnose before you replace it ,,,,,,,,,,

DTC P0325: Malfunction in Knock Sensor Circuit

1. Do the ECM/PCM Reset Procedure.
2. Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
3. Hold the engine at 3,000 - 4,000 rpm for at least 60 seconds . Is DTC P0325 indicated?

YES-Go to step 4.
NO-Intermittent failure, system is OK at this time. Check for poor connections or loose wires at the knock sensor and the ECM/PCM.

4. Turn the ignition switch OFF .
5. Disconnect the knock sensor connector.




6. Check for continuity between ECM/PCM connector terminals C3 and body ground. Is there continuity?

YES-Repair short in the wire between ECM/PCM (C3) and the knock sensor.
NO-Go to step 7.




7. Check for continuity between ECM/PCM connector terminal C3 and knock sensor connector terminal No.1. ( red/blue wire ).. Is there continuity?

YES-Go to step 8.
NO-Repair open in the wire between ECM/PCM (C3) and the knock sensor.

8. Substitute a known-good knock sensor and recheck. Is DTC P0325 indicated?

YES-Substitute a known-good ECM/PCM and recheck. If symptom/indication goes away, replace the original ECM/PCM.
See: Initial Inspection and Diagnostic Overview\Diagnostic Strategies

NO-Replace the original knock sensor.
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Old 12-06-2010, 09:39 AM
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WheelBrokerAng,thank for your help, i was able to find the knock sensor and it was broken, and unfortunately it cost me 122 bucks but iy was worth it, and you were right it was close to the oil filter another thing i was able to do it without taking the intake manifold out, it worked from me thank you so much
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0325, 1998, 2011, a98, accord, code, connecter, honda, knock, located, nock, p0325, picture, po325, sensor

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