Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2002CAVALIER BASE, 4D SEDAN, 2.4 TREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS SELF-DIAGNOSTICS - 2.4LDIAGNOSTIC TESTSDTC P0325: KNOCK SENSOR MODULE CIRCUITCONDITIONS FOR RUNNING DTC
2002 Chevrolet Cavalier Base, 4D Sedan, 2.4 T
Conditions For Running DTC
2002 Chevrolet Cavalier Base, 4D Sedan, 2.4 TSECTION Conditions For Running DTC
- DTCs P0122 or P0123 are not set.
- ECT is more than 140°F (70°C).
- The engine run time is more than 20 seconds.
- MAP is more than 60 kPa.
- The engine speed is 1800-6400 RPM.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.