Question about 1984 Nissan 300ZX

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1984 Nissan 300zx,

The car idles just great! It sounds fantastic! However, whenever I give it gas the car revs up then goes back to the idle while I'm still on the gas, like its choking it's self. It does this repeatedly the whole time I am on the gas. We changed a bunch of hoses and tubes... what can cause this??

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Having the same problem myself at the moment, if you are sure that it not a vacumn leak somewhere, check your fuel pressure regulator (replace if bad), then check your EGR valve, your PCV valve, and then your throttle position sensor. If the car had been sitting for a while, it will more than likely be one of the above is stuck. Hope this helps.

Posted on Aug 14, 2010

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In line fuel filter may need to be replaced,try that first.hope this helped

Posted on Jun 14, 2009

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