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Old 01-16-2010, 07:46 PM
kyoshea kyoshea is offline
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2002 Maxima
 
Join Date: Mar 2009
Posts: 10
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My problem was finally traced back to a bad cat in the manifold. It had broken apart and become clogged. Once that happened the exhaust couldn't flow out the exhaust, it pressurized back up through the manifold and started to suck back in the intake. Cat pieces in the combustion chamber = bad. Did compression check on all cylinders and found 3 that were way off. I talked about this at the dealer and they said they have seen cats breaking apart and sucking in through the intake. Lucky for me I found a motor for $600 that had only about 40,000 on it. Put it in and all is good. Do a compression check, check oil pressure and follow my other steps. If you have a compression loss, start looking for a motor. Good luck.
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