[transmaro93]

ok so i scaned it today and its still missing really bad at #7 so its not the injectors... but i have spark at the plug there but its still says its missing... if i rev it up a little bit all but maybe 2 of the cylinders have slight misses... im leaning toward the opti not working correctly now... i dont mind putting it in seeing as its an adventure iv never done one by my self before... but i want to make sure that it is the problem before i shed out the money... is there anyway to test the optispark by not just haveing spark going out of it cause i have spark out of it im thinking its just not fireing correctly all the time.... this is confusing the ***** out of me heh... im stumped... any help is appreciated... thanks guys