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 MANUALSCHEVROLET2011MALIBU LTZ, 2.4 1REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 483 (ENGINE CONTROLS & FUEL - 2.0L - DTC P0326 TO P2096)DTC P1012CIRCUIT/SYSTEM VERIFICATION
2011 Chevrolet Malibu LTZ, 2.4 1
Circuit/System Verification
2011 Chevrolet Malibu LTZ, 2.4 1SECTION Circuit/System Verification
WARNING: This page is about a different car, the 2007 Saturn Sky. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
The supply of clean pressurized engine oil to the CMP actuator is essential to CMP actuator performance.
- Observe the engine oil level. The engine oil level should be within operating range.
- Ensure that the vehicle has the correct engine oil and is not old, burnt or contains additives. Refer to Checking Things Under the Hood in Service and Appearance Care within the Owner's Manual.
- If the vehicle has the incorrect engine oil, is old, burnt, or contains additives, change the oil and filter.
- Test the engine oil pressure for correct operation. Refer to Oil Pressure Diagnosis and Testing .
- Start the engine and verify that no abnormal engine noises are present.
- If abnormal engine noise is observed, refer to Upper Engine Noise, Regardless of Engine Speed .
- If engine Stalls or stalling is the customer concern, refer to Symptoms - Engine Controls .
- Advise the customer that the following conditions may cause DTC P1012 to set:
- Turning the engine OFF while the accelerator pedal is pressed
- Turning the engine OFF while driving
- Pressing the accelerator pedal to start the engine
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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.