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 36 (ENGINE CONTROLS SELF-DIAGNOSTICS - 2.4L)DIAGNOSTIC TESTSDTC P0440: EVAP SYSTEMCONDITIONS 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 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P0107, P0108, P0112, P0113, P0117, P0118, P0122, P0123, P0125, P0452, or P0453 are not set.
- The ignition voltage is 10-18 volts.
- The BARO is more than 75 kPa.
- The fuel level is 15-85 percent.
- The ECT is 39-86°F (4-30°C).
- The IAT is 39-86°F (4-30°C).
- The start-up ECT and IAT are within 16°F (9°C).
- The VSS is less than 75 MPH.
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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.