MY CAR IS A 2000 HATCH AND I HAVE A B20 VTEC I ONLY HIT VTEC WHEN THE CAR IS COLD AND IDLES AT ABOUT 600RPMS WHEN THE CAR WARMS UP IT IDLES AT 1500 AND THEN IT WONT HIT VTEC ANYMORE, I HAVE A CRACK IN THE RADIATOR BUT I DONT THINK THAT IT SHOULD MATTER LET ME KNOW..... I RELAYY NEED TO GET THE CAR RUNNING