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 MANUALSCHEVROLET2005AVEO LS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - 1.6L (L91) - DTC P0201 TO DTC P0455DIAGNOSISDTC P0217DIAGNOSTIC AIDS
2005 Chevrolet Aveo LS, 4D Sedan, Standard
Diagnostic Aids
2005 Chevrolet Aveo LS, 4D Sedan, StandardSECTION Diagnostic Aids
- An overheating condition may cause this DTC to set.
- After starting the engine, the engine coolant temperature should rise steadily, then stabilize after the thermostat opens.
- Test the ECT sensor at various temperature levels in order to evaluate the possibility of a skewed sensor. A skewed sensor can result in a driveability condition.
- Check for the proper operation of the engine cooling system.
- For an intermittent condition, refer to Symptoms - Engine Cooling .
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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.