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P0021Powertrain (P)generic

"A" Camshaft Position - Timing Over-Advanced or System Performance (Bank 2)

The variable valve timing on the opposite cylinder bank is advancing too far, causing early intake valve opening; this is typically caused by a faulty solenoid, worn timing components, or software issues, and reduces fuel economy and power output.

No detailed repair guide linked yet. Check back soon or search for related issues.