RATTALING NOISE AT 3000 rpm!!

jaysun · 05-03-2006, 05:57 AM

well i just changed my oil to mobil 1 15-50w its top of the line oil. yet i still get the knocking noise. i dont think my dad took good car of that thing. well i still didnt get a tune up and now im guessing its the CAT converter. i dont know if my engine rattles or the CAT. maybe its the CAT or the engine, im going to have a professional look at it. ill update

05-03-2006, 05:57 AM	#6
jaysun Stock Join Date: Apr 2006 Location: USA Posts: 27	well i just changed my oil to mobil 1 15-50w its top of the line oil. yet i still get the knocking noise. i dont think my dad took good car of that thing. well i still didnt get a tune up and now im guessing its the CAT converter. i dont know if my engine rattles or the CAT. maybe its the CAT or the engine, im going to have a professional look at it. ill update __________________ 7m-ge auto tranny non turbo so far stocked ..