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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 846 (ENGINE CONTROLS AND FUEL - 2.0L - TROUBLESHOOTING AND DIAGNOSIS)INSPECTION/MAINTENANCE SYSTEM DTC TABLE
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Inspection/Maintenance System DTC Table
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Inspection/Maintenance System DTC Table
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
| System | DTCs Required to Set System Status to YES |
|---|---|
| Catalyst Monitor If an I/M System Status indicator did NOT update to YES during the Inspection/Maintenance System Check , review each indicator and reference this table to determine each DTC associated with the I/M System Status Indicator. Each DTC listed below has specific conditions that must be met for the diagnostic to run. Included in these conditions are additional DTCs which, if set, will inhibit these DTCs from running. Reviewing and operating the vehicle within the Conditions for Running for each DTC listed below will allow the I/M System Status Indicators to transition to YES. |
|
| Catalyst | DTC P0420 |
| EVAP | DTC P0442 DTC P0446 DTC P0450-P0453 DTC P0455 DTC P0496 |
| Oxygen Sensor | DTC P0130-P0133, P2195, P2196, or P2297 DTC P0137, P0138, P013A, P013E, P0140, P2232, P2270, or P2271 |
| Oxygen Sensor Heater | DTC P0030, P0031, P0032, P0053, or P0135 DTC P0036, P0037, P0038, or P0141 |
| Camshaft System | DTC P000A, P000B, P0011, or P0014 |
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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.