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  1. S

    On board computer needed

    Yes. I replaced all 4
  2. S

    On board computer needed

    Okey I had the sensors replaced. She still won't pass. The codes are now: PO 131 Bank 1 Sensor 1 Low Voltage PO 151 Bank 2 Sensor 1 Low Voltage Next steps?
  3. S

    On board computer needed

    Thanks. I found: NTK: downstream right. Bank 1. Sensor 2 Upstream right Bank 1. Sensor 1 Upstream left. Bank 2. Sensor 1 Downstream left. Bank 2 Sensor 2 These are all the NTK under Xterra 2000 v6 3.3 so I think this is it, right? I am ordering but if I am wrong pls let me know and U will...
  4. S

    On board computer needed

    I am thinking the sensors are first. At the start, Trixy wouldn't pass smog due to random misfire. Plus, there was loss of power on hill acceleration. Replaced the timing belt at 70 thou and the misfire.cleared up, car runs great. Now there are the O2 codes which had been masked by the misfire...
  5. S

    On board computer needed

    Yes that is encouraging. I will replace the sensors. Do hou think it's worth the money to get Nissan parts?
  6. S

    On board computer needed

    will do. Do you know.of a viable.source for computer when she needs one?
  7. S

    On board computer needed

    So true. The mechanic believes they are likely ok and a new computer is needed. I can't find a compatible computer anywhere. So maybe do the sensors and hope fie the best.
  8. S

    On board computer needed

    Did the cats about a year ago.
  9. S

    On board computer needed

    Finally got the diagnostic codes. P0151 02 Sensor Circuit Low Bank 2 Sensor 1 Then: P0131 2 Sensor Circuit Low Voltage Bank 1 Sensor 1 Please advise. I Really love this car and need her to pass smog.
  10. S

    On board computer needed

    Ok. Thanks.
  11. S

    On board computer needed

    First code was intermittent random misfire but new timing belt fixed that. No it is Oxygen Sensor but mechanic says they look fine. I replaced a little over a year ago. The check engine light is always on. It flashes sometimes. 240,000 miles. Original owner.
  12. S

    On board computer needed

    Hiya folks. I drive a 2000 XE which runs great except it won't pass smog. Mechanic thinks she needs a new computer. Thing is, Nissan sez they don't make them anymore. I need some ideas where to find one. Thanks, Susan.
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