My room mates car is acting up. It is a 2000 chevy malibu, 3.1 V6. It lost power, started smoking out the exhaust, and when I looked at it I saw the spark plug wire arcing off onto the block. From there, I had my friend replace the spark plugs and wires since he hasn't done it in three years. dumb. However, that didn't fix it (which I figured, but were needed). It makes a loud ticking noise coming from just under the valve cover. The other thing is when you start the car, it blows alot of smoke out the exhaust and when I smell it, it smells like unburn't fuel. My theory is that particular cyclinder is not combusting and that's how their is no power and puffs out smoke. That cyclinder is getting air, fuel, and spark. Maybe the ticking is the valve not working properly? Don't know. Please help.