like 2 say hi they call me drac2000. i also live in NJ Irvington is here i live. own a 2002 Mazda Protege and a 2000 Dodge Intrepid. having some problem with d Mazda cel come on some time n i check it with my obd-2 tester n i get p0300 which is a rondom/multiple cylinder misfire n i also am getting p0421 which is a warm up cat efficiency below threshold (bank 1). have anyone in the area every had this problem and did it ever got fix. thx