Question about Nissan Pickup

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Location of on board computer

Can you advise the location of the on-board computer on a 1994 Nissan Pick up which (supposedly) is able to decipher engine codes? Thanks

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  • jmartich212 Apr 20, 2009

    Thanks very much. I'll post if/when I find and repair it.


  • jmartich212 Apr 20, 2009

    Thanks old Marine for the advice. I found the computer and it shows code 33 (Oxygen sensor) and code 34 (Knock sensor) faults. Are these repairs imperative or can I continue to drive it without breaking down on the highway?



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Under the seat on the passenger side. You'll need a manual to find how to get into the proper mode and then interpret the codes, which are series of flashing lights.

Posted on Apr 20, 2009

  • old marine
    old marine Apr 20, 2009

    The oxygen sensor fault generally means increased emissions and may affect your gas mileage. It's something you can live with for a while. The knock sensor should probably be replaced soon, especially if you can hear the engine 'rattling' when accelerating or climbing a hill, etc. I doubt that you will break down, but it's hard on plugs and valves (high temperature) to let it go too long.



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