vvt selinoid location

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Where is the vvt solenoid located in a 2016 KIA Optima EX? I had a code: P0011 - A Camshaft Position - Timing Over - Advanced or System Performance Bank 1 (only code stated). I see the exhaust or manifold solenoid on the back of the engine but I can't locate the VVT intake (or does it have an intake solenoid?) Please advise? Paul