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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.
Take a look in the DIY section before asking for help.
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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