Engine behavior changes as spark plugs wear, with symptoms like misfires and rough idling. But what causes them to wear down ...

That's the standard repair service on the recent Ford V8s that blow out spark plugs. <BR><BR><BR><BR>Ok, I kid, I kid. It's only standard when the shop can't sublet the head out to a machine shop.

The Federal Aviation Administration is recommending that airlines visually inspect the door plugs of more Boeing planes after a similar panel blew off a jet in midair earlier this month. The safety ...