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Old 02-15-2008, 06:44 PM
one_ fairlady
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same prob here tookin it in several times for this issue and the first nissan i took it to "didnt hear it"' so i tried another and said the noise was coming from the valves due to carbon build up. So they sell me the BG decarbon crap, i knew thats not the prob but the guy said it's a start. Advisor stated that there was 3 Z's that sounded the same there upon the initial startup. I got the service done today and guess what same prob. my guess is that the lifters are not holding pressure after engine is shut off. Who knows maybe its just a 'normal' engine characteristic but i dont like it. One time i didnt start it for a week and it sounded like a power stroke diesel engine! I wish somebody can figure out this problem.
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