1996 Mazda 323

Engine Mechanical problem
1996 Mazda 323 4 cyl Automatic 170000 miles

A couple of months ago I took my car to a mechanic as it seemed to be missing a lot. The mechanic told me it was arcing in the distributor and I had it replaced. The car has been fine until recently it is having the same problem. It is again missing and I feel it has lost power. Could this be the same problem even though I got it fixed? If not what else could it be? (Most likely reasons) Also not sure if this has anything to do with it but a few weeks back I had it jump started due to a flat battery. If I damaged the onboard computer could this be the reason?
September 28, 2009.

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