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P0021 2008 KIA Optima Code - 'A' Camshaft Position Timing Over-Advanced Or System Performance Bank 2

- Code Popularity: 12,197 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0021 2008 KIA Optima?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Dirty engine oil
  • Low engine oil level
  • Faulty Oil Control Valve
  • Engine mechanical problems
⚠ Does your KIA have Safety Recalls? → Check here

How to Fix the DTC P0021 2008 KIA Optima?

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.

Search for P0021 2008 KIA Optima Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0021 2008 KIA Optima 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.

What are Code Possible Symptoms?

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

Code P0021 2008 KIA Optima Description

The CVVT (Continuously Variable Valve Timing) system is installed to the chain sprocket of the intake camshaft. This system controls the intake camshaft to provide the optimal valve timing for every driving condition. The Powertrain Control Module (PCM) controls the Oil Control Valve(OCV), based on the signals output from mass air flow, throttle position and engine coolant temperature. The CVVT controller regulates the intake camshaft angle using oil pressure through the OCV. As result, the relative position between the camshaft and the crankshaft becomes optimal, and the engine torque improves, fuel economy improves, exhaust emissions decrease under overall driving conditions.

OBDII Code P0021 2008 KIA Optima - 'A' Camshaft Position Timing Over-Advanced Or System Performance Bank 2 - AutoCodes.com
P0021 2008 KIA Optima Code - 'A' Camshaft Position Timing Over-Advanced Or System Performance Bank 2

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