I've washed my vehicles with a pressure washer,make sure you cover the alternator and any components that don't like moisture. I've never really looked under the hood of our trailblazers. Wife and daughter always on the go. My son-in-law services and checks them. plowking
I'm surprise no one is really answering his question, only a fellow canadian got that one right.....lolIt is to the right of oil check dipstick.
What it is? camshaft sensor?
How it will affect the engine performance?
How can I clean it?