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Diagnose check engine light found stored code p0011 and p0021 for 4 valve timing over Advanced or timing correlation for the variable valve timing system. Barrel valve timing systems on these newer Vehicles all controlled by oil and oil pressure.

The first thing you’re going to do is inspect your oil condition and oil level. In order for the valve valve timing system to work properly oil needs to be full and clean. 5900 oil on the dipstick of this vehicle causing p0011 and p0021 for codes to set.

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