spark plugs

So I recently purchased a 2008 Ford Ranger with 57,000 miles and the 3.0 engine and it has developed a very very small intermittent misfire at idle. More of a rough idle with a occasional hard start. I’ve done spark plugs, wires,coil, fuel filter, air filter, looked for vacuum leaks, chased a...

I just bought this truck about a week ago and I've been driving it back and forth to work everyday (55 miles each way) and I've just now have had time to fully look over the truck like under the hood and everything, and i noticied that at the bottom of the engine block towards the back by the...