On the 2011 Buick Regal with the 2.4L engine, The P0014 is a fairly straight forward code pointing to problem with the exhaust camshaft actuator solenoid. This solenoid is used in the variable valve timing system. This system advances/retards the ignition timing to provide the best fuel economy and performance for any given driving condition. What usually happens here, is the solenoid gets clogged and doesn’t move to it’s expected min/max positions. The solenoid is located on the top, passenger’s side of the engine, right next to the #1 ignition coil, and is the rear-most of the 2 solenoids. Sometimes, an engine oil and filter change with an engine flush can solve the problem. If the oil change and flush does not solve the problem then suspect a failed solenoid. Inspect the electrical connector and wire harness for any loose, broken or damaged wires. If no problems are found, replace the solenoid.
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