Question about 1984 Nissan 300ZX

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1984 nissan 300zx running erratic

Starts & runs very rough, have to feather throtle to keep running, revs all over the place from near stalling to about 2500. backfires if u try to rev over about 3000, after it warms will keep running but still very rough with revs hunting, is an automatic. could u suggest where to start looking for fault/faults, many thanks.

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  • pimpin300zx Dec 08, 2008

    87 300zx it runs.but sems like it;s missing on like 3 and 5or6.gots no power.just put new plugswirs ,cap,rotor can you help me!

  • Anonymous Feb 02, 2009

    1985 does same thing car starts up idles between 500-800 erraticly for 15 seconds than dies just did plugs and oil change any clues

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Is the MIL light on on the dash?

Posted on Nov 22, 2008

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Your nissan car has a loose pressure
First of all take out fist spark plug and fix guage pressure to check the pressure of no.1 cylinder, and take out no. 2 spark plug and check pressure and also 3 &4 if 6 cylinders until 6 if the reading is below minimum the engine need overhaulling.

aburani

Posted on Nov 21, 2008

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