Question about 1992 Nissan 240SX Fastback

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Installed new fuel injectors in 92 Nissan 240SX - now car smokes & misses. What went wrong?

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  • maetter Jul 24, 2009

    The wires are too short to get out of order. The injectors are the correct type & size.

    Seems like one of the injectors is not getting any fuel.

    Any other suggestions?

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  • Master
  • 1,129 Answers

You may have the order of wires mixed up or the wrong type or size fuel injectors were sold to you

Posted on Jul 02, 2009

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1 Answer

1990 240sx drives good at the begining . I drive about 4 miles and it want to stall.


I think that your motor is over heating have it check at a nissan dealer

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92 nissan 240sx wont run after 2500- 3000 rpms changed cap and rotor new wires w/ plugs starts right after dies timing is also good


a weak coil could cause that problem
could also be an issue with the ECM / PCM
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Car ran hot and cut off, will not run but cranks,


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Think air fuel ratio is off over loading


Here are a couple of things to try.
1. You may have a vacuum leak or a bad EGR valve. 2. Try adjusting the timing. 3. Have you checked the air and fuel filters? 4.You may want to try adding some fuel injector cleaner to your gas if you haven't done so already.

Jun 18, 2009 | 1992 Nissan 240SX Fastback

1 Answer

Fuel injectors leak at fuel rail


Get some new O-rings, and this time put oil on them before you insert them into the fuel rail. The regulator is alright.The problem is that the o-rings can roll up, or twist when push em in dry. Had this problem once, easy fix, but was frustrating.

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