What's the 2004 GMC Envoy camshaft position sensor location?

The 2004 GMC Envoy has a camshaft position sensor that can be found at the top portion of the valve cover, on the side of the cylinder head, usually to the right. If the sensor has gone bad, it will need to be replaced. Some signs that You have a faulty camshaft position sensor include rough idling, shaking and shuddering of the cab, the check engine light coming on, or the vehicle refusing to start. You also may suffer a loss of power from the engine. You can expect to pay around $210 to $82 for a replacement sensor. If You decide instead to pay a professional to perform the installation, You can expect to pay an added price of $50 to $220 for labor.