Just bought a 2003 Hyundai Tiburon GT 2.7 v6. Its beat all to hell but it's nothing that can't be fixed. Which is why I am joining the forums today. So I have ran into a problem. When I bought it and drove it home it drove fine. Over the last week its ran into a major issue. It always starts up fine, but some days it will drive and some days it won't. I let it warm up and it will start to drive but as soon as I hit the first red light and stop it won't accelerate correctly. It will act as if when I press down on the throttle that it wants to die. It is super boggy. To the point where I can't even drive. The funny thing is some days it will drive just fine. I took it to autozone and o'Reilly's and neither of their OBD-II readers would work on it. Anyone have any pointers on what it could be? I did a tune up (spark plugs and wires) and it didn't seem to fix anything.