IT COULD BE SOMETHING LIKE A BAD RELY. THAT IS WHAT HAPPENED TO ME. IT WAS THE RELAY FOR THE FANS IT WASN'T WORKING SO THE FANS NEVER WOULD GO ON AND I WOULD ALWAYS OVER HEAT. oR IT MIGHT BE THE FANS THEMSELFS oR MAYBE THE RADIATOR CANT COOL YOUR ENGINE GOOD ENOUGH BECAUSE OF THE AMOUNT OF HEAT AND PRESSURE FROM THE TURBO. SO TRY A FLUIDYNE RADIATOR THOSE ARE REAL GOOD ONES TO KEEP YOUR CAR COOL.