evap

I have to start with I absolutely love my ESV, she has just over 200K, runs and drives great. Recently I had to replace my knock sensors, and while I was in the engine that deep I did my valve cover gaskets ( had an oil leak due to worn grommits), did plugs & wires cleaned up the gunk from the...

I need to remove the vent valve on my 2001 STS (to diagnose a P0440 code). I suspect the vent valve is defective as I no longer hear it click-click right after vehicle start. It's hard to reach, and there appears to be a single bolt well rusted in place (see #1 below). Any advice on how to...