P0022 OBD-II Trouble Code: Camshaft Position A - Timing Over-Retarded (Bank 2)

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Cost of diagnosing the P0022 code

P0022 is a diagnostic trouble code (DTC) for "Camshaft Position A - Timing Over-Retarded (Bank 2)". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

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P0022 code definition

Camshaft Position A - Timing Over-Retarded (Bank 2)

What the P0022 code means

P0022 is the OBD-II generic code which indicates that the Engine Control Module (ECM) has determined the intake camshaft timing for bank 2 is more retarded than what the ECM has commanded it be. This over-retarded timing condition could be during the advancing or retarding phase of the camshaft timing.

What causes the P0022 code?

  • The Variable Camshaft Timing (VCT) oil control valve (OCV) gets stuck in the open position.

  • The camshaft phaser is damaged and gets stuck in the retarded position.

  • There are oil flow problems to the VCT piston and phaser.

What are the symptoms of the P0022 code?

  • The ECM will turn on the Check Engine Light.

  • The engine starts hard or hesitates on acceleration.

  • The fuel mileage will decrease and the engine may blow black smoke out of the tailpipe.

  • The engine will emit excessive fumes and may fail emissions testing.

Note: Drive complaints may change depending on the camshaft timing.

How does a mechanic diagnose the P0022 code?

  • Visually checks the electrical connections to the camshaft sensor

  • Checks the oil control solenoid valve and crankshaft sensor for loose connections or damaged wiring

  • Makes sure that the engine oil is clean and full, and that the viscosity is correct

  • Scans and documents the codes and views freeze frame data to see when the code was set

  • Performs a manufacturer's specific pinpoint tests for the P0022 code and repairs as directed

Common mistakes when diagnosing the P0022 code

Follow these simple guidelines to prevent mistakes:

  • Always verify the failure before attempting any repairs.
  • Make sure the oil viscosity is the correct type and that it is clean.
  • Follow the pinpoint test step by step to help prevent a misdiagnosis.
  • Do not replace parts unless pinpoint or visual testing directs you to.

How serious is the P0022 code?

  • Fuel mileage will go down and the engine may get carbon buildup on pistons and valves.

  • The engine may have a hard start, hesitation and stalling problems.

  • The engine emissions may exceed federal and local limits.

What repairs can fix the P0022 code?

  • Resetting the fault codes and performing a road test
  • Replacing the oil and filter using the proper oil viscosity for the engine
  • Repairing or replacing the wiring or connection to the camshaft oil control valve (OCV)
  • Replacing the camshaft oil control valve for the bank 2 intake camshaft
  • Checking the timing chain alignment and cam phasers for damage

Additional comments for consideration regarding the P0022 code

  • The camshaft phaser controls the timing advance and retard function with oil pressure using the Oil Control Valve. The oil needs to be of the proper viscosity for the camshaft timing control to work as designed.

Need help with a P0022 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

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