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 MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 37 (ENGINE CONTROLS SELF-DIAGNOSTICS - 2.2L CNG)DIAGNOSTIC TESTSDTC P0500: VSS CIRCUITCONDITIONS FOR RUNNING DTC
2001 Chevrolet Cavalier LS, 2.4 T
Conditions For Running DTC
2001 Chevrolet Cavalier LS, 2.4 TSECTION Conditions For Running DTC
WARNING: This page is about a different car, the 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- The engine is operating on alternative fuel.
- The following DTC's are not set: P0106, P0107, P0121, P0122 or P0123.
- The MAP sensor signal indicates greater than 17 in. Hg (57 kPa).
- The TP sensor signal indicates throttle angle is open greater than 12 percent.
- The calculated engine airflow is greater than 40 gms/sec.
- All conditions have been met for at least 15 seconds.
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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.