I have a s10 2.2 4cyl and last week I replaced the alternator and thermostat. Ever since it has been missing when applying the gas quickly(while driving) and when letting off the gas pedal. There is no check engine lights or any other warning lights on in the dashboard. I thought about replacing the fuel filter and plugs but before I do I want to get some advice. Oh and while I am at it while replacing the alternator I had to take the air box, upper radiator hose off and unbolt the gas line and move it out of the way to access the alternator. Your help would be greatly appreciated..