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2004 GMC Envoy 4.2v6 check engine

The check engine came on the codes were for a cam senser and thermast senser. Replaced both and the check engine light came on again with the same codes. What should I do now.
Thanks

Vehicle: 2004 GMC Envoy 4.2v6
asked Feb 6, 2013 by anonymous
edited Feb 17, 2013 by OBDIITech

1 Answer

What are the codes? Did you replace Cam sensor? and the code came back on? do you know what speed, the reason I ask is that you have a cam actuator that uses oil pressure to control exhast camshaft timing, On your particular vehicle these actuator are famous for plugging up and causing rough idle, the cure was a replacement or pop it out and clean it out using brake cleaner, and stick it back in, can you give the other code that you have?
answered Feb 7, 2013 by Reynaldo (10,835 points)

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