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2005 Chevrolet TrailBlazer - Short term solenoid

having to replace to often camshaft actuator solanide avg.of 4 to 7 thousand miles

The most common cause of camshaft position actuator failure on the 2002 to 2006 Trailblazers is not changing the engine oil often enough or using the wrong grade of oil…

The condition surfaces on high mileage vehicles or at any mileage with a lack of oil changes.

The actuators ports are easily clogged by sludge in the oil.