hey guys I'm quite new to this forum things, but recently while working on my ford focus, a tiny piece of spark plug fell in to the piston, while I didn't have any tools to fish it out, and read some where that a piece of the size 1/4 of the pinky nail, would just get spit out through the exhaust, well I don't think that happened after a couple of days, smoke started coming out of the exhaust, and now I can't identify the problem because I'm not losing pressure, the car is not over heating, coolant level is the same, oil the same, all I can here is some rattling between 2k and 3k revs from first to third gear, and when that happens smoke comes out. need some help don't know how to tackle this problem.
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