Problem Reports
Chevrolet Trailblazer
Report: Sticking Camshaft Actuators Due to Dirty Oil or Faulty Control Solenoid
Chevrolet Trailblazer Problem
Model Years Affected: 2002, 2003, 2004, 2005, 2006
Engine Affected: 4.2L 6 Cylinder
Average Mileage: 127,500 mi (77,000 mi - 157,000 mi)
The variable valve timing camshaft actuators may stick due to dirty engine oil or a faulty control solenoid. A sticking actuator may cause a rough idle and the Check Engine Light to illuminate. Our technicians tell us the engine oil should be checked to make sure it is clean and at the proper level before replacing any parts to correct this concern.
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Report #1Visitor, 2002 Chevrolet Trailblazer, 157,000 mi
rough idle, horrible gas mileage (8 mpg on a good day), hard start, hesitation at take off, dies when you come to a complete stop and after numerous cranks engine starts again....
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Report #2Visitor, 2005 Chevrolet Trailblazer, 4.2L 6 Cylinder, 77,000 mi
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Report #3buttersctoch, 2004 Chevrolet Trailblazer, 4.2L 6 Cylinder, 144,000 mi
Rookierough idle, sounds like a 18 wheeler, took it to chevy dealer, and was advised that camshaft actuators does not work long and the dealer stated I need a new motor.
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Report #4Visitor, 2005 Chevrolet Trailblazer, 4.2L 6 Cylinder, 132,000 mi