MY ECU TOOK A SHIT, I GOT ONE FROM A 1991 TRUCK, MY TRUCK IS A 1993, I PLUGGED IT IN, STARTED RIGHT UP, BUT NOT REALLY RUNNING RIGHT, SOUNDS LIKE ITS NOT GETTING ENOUGH FUEL AND SPUTTERING AND BACKFIRING WHEN ITS THROTTLED DOWN, HERE ARE PICS OF MY BURNT COMPUTER. ANY IDEA WHAT COULD BE WRONG? ARE THE ECU'S DIFFERENT PER YEAR?