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.
Circuit/System Verification
2008 Chevrolet Aveo LT, AutomaticSECTION Circuit/System Verification
- Ignition ON, observe the DTC information with a scan tool. DTC P0131, P0132, P0134, P0137, P0138, or P0140 should not be set
- If a DTC is set, refer to DTC P0131, P0132, P0134, P0137, P0138, or P0140 for further diagnosis.
- Allow the engine to reach operating temperature. Operate the vehicle within the parameters specified in Conditions for Running the DTC. The DTC should not set.
- Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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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.