Ok!my protege started missing recently only at low speeds and low rpm. Doesn't miss much when it's cold increses when hot, especially when starting off at a red light or from a stopped position. Once I get up over 25mph there's no miss. I changed plugs, wires, and cap and rotor, with no change. The miss is a sputter repeatedly then all of a sudden it's gone smooth running till the next stop. Help will be appreciated!!