...coming from? plus my 3 rear plugs? ARE COMPLETLY BLACK BUT THE FRONT LOOK GOOD,, WHAT IS THE PROBLEM HERE? ALL THE COIL PACKS ARE WRKING FINE,PLS SOMEONE HELP ITS BURNING A LOT OF GAS,,AND HOW DO U RESET THE COMPUTER IN THIS CAR? IS THE PROBLEM COMING FROM THE MASS FLOW SENSOR? O2 SENSORS? I JUST DONT WANT TO SPEND ON SOMETHING THAT DONT HAVE TO B REPLACE.. PLS HELLPPPPPP