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P0011 2004 Toyota Corolla Code - Camshaft Position 'A' Timing Over-Advanced or System Performance Bank 1 3ZZ-FE Engine

- Code Popularity: 6,456 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0011 2004 Toyota Corolla?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Low or Dirty Engine Oil
  • Variable Valve Timing (VVT) circuit is open or shorted
  • Oil Control Valve (OCV) circuit is open or shorted
  • Faulty variable valve timing (VVT)
  • Faulty oil control valve (OCV)
  • Damaged ECM
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How to Fix the DTC P0011 2004 Toyota Corolla?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

Valve timing may have to be adjusted.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0011 2004 Toyota Corolla code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

After the ECM sends the target duty and cycle signal to the OCV, the ECM monitors the OCV current to establish an actual dutyandcycle. The ECM determines the existence of a malfunction and sets the DTC when the actual dutyandcycle ratio varies from the target dutyandcycle ratio.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/Loss of power
  • Engine rough idle

Code P0011 2004 Toyota Corolla Description

The Engine Control Module (ECM) controls the Oil Control Valve (OCV) to regulate the intake camshaft angle. As a result of the angle change, the engine timing is advance or retard. Optimizing engine timing will help the engine improve torque and fuel economy, and the exhaust emissions decrease under overall driving conditions. The Variable Valve Timing (VVT) system includes the Oil Control Valve (OCV) and VVT controller. The ECM detects the actual intake valve timing using signals from the camshaft and crankshaft position sensors, and performs feedback control.

OBDII Code P0011 2004 Toyota Corolla - Camshaft Position 'A' Timing Over-Advanced or System Performance Bank 1 3ZZ-FE Engine - AutoCodes.com
P0011 2004 Toyota Corolla Code - Camshaft Position 'A' Timing Over-Advanced or System Performance Bank 1 3ZZ-FE Engine

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Code P0011 2004 Toyota Corolla comments

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