I AM HAVING A LITTLE ISSUE WITH MY TRUCK. I HAVE A 02 AND HAD IT SINCE IT WAS NEW. THE TRUCK SITS A LOT.. I THINK IT HAS 12000 MILES ON IT NOW.. WHEN I GO TO DRIVE THE TRUCK IT RUNS VERY BAD. KIND OF LIKE IT IS NOT GETTING ENOUGH FUEL. SEEMS TO KIND OF JUMP.(VERY JERKY) I DID NOTICE THE OTHER DAY THAT IS DID BLUE SOME BLUE SMOKE. FINALLY AFTER MONTHS, IT HAS PUSHED A CHECK ENGINE LIGHT.. IT DOES HAVE A ROE COMPUTER ON IT. BESIDES HEADERS, AND EXHAUST.THOSE ARE THE ONLY ENGINE MODS. ANY ONE WITH IDEAS WOOD BE GREATLY APPRECIATED..KRIS