Possible causes – Dirty or low engine oil– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Variable Valve Timing (VVT) harness is open or shorted– Oil Control Valve (OCV) harness circuit is open or shorted– Damaged ECM Tech description There is a factory service bulletin for the following Toyota models: 2005-2007 Toyota CamryToyota…