2005 NISSAN ALTIMA
126,000 MILES
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KNIGHTVISION
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My 2005 Nissan Altima keeps giving PO302 code. I've changed spark plug, coil and harness connector. Whenever I change something, the problem goes away for about a week or two, then returns. WTF???!!!
Mar 28, 2013 at 10:03 PM
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ASEMASTER6371
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could be compression, vacuum leak, which is common on this model, faulty injector or wiring.

the vacuum leak is from the intake manifold gasket.

Roy
Mar 28, 2013 at 10:06 PM