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 303 (ENGINE CONTROL SYSTEM - 3.6L (LY7) - DTC P0442 TO DTC P1551)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Section 303 (Engine Control System - 3.6L (Ly7) - DTC P0442 To DTC P1551)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Section 303 (Engine Control System - 3.6L (Ly7) - DTC P0442 To DTC P1551)
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P0442
- DTC P0443
- DTC P0446
- DTC P0449
- DTC P0451
- DTC P0452
- DTC P0453
- DTC P0455
- DTC P0458
- DTC P0459
- DTC P0496
- DTC P0498
- DTC P0499
- DTC P0506 or P0507
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 or P2610
- DTC P0627
- DTC P0628
- DTC P0629
- DTC P0638
- DTC P0650
- DTC P0685, P0686, P0687, P0689 or P0690
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Procedures
- DTC P0700
- DTC P0864
- DTC P1011-P1014
- DTC P1551
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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.