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 542 (ENGINE CONTROLS AND FUEL - 3.5L - DTC P0010 TO DTC P0411)DTC P0335 OR P0336CIRCUIT/SYSTEM VERIFICATION
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Circuit/System Verification
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- With the ignition OFF, inspect the engine wiring harnesses carrying the CMP sensor circuits for the following conditions
- Close routing of secondary ignition wires
- Close routing of aftermarket electrical equipment
- Close to solenoids, motors, and relays
- Correct any wire harness routing or component placement conditions, if it is determined to be a possible source of electrical interference.
- With the engine running, observe the Engine Speed parameter using the scan tool. Operate the engine from idle up to 3,000 RPM. The Engine Speed parameter should match the CMP Sensor parameter within 100 RPM.
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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.