Question about 2002 Nissan Sentra

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I have a 2002 Nissan Sentra SE-R Spec V, this vehicle is a stolen recovery and they stole alot of parts and on top of that the engine was blown, now i have replace the engine andd got all the parts missing, my question and also the problem i'm having is the fuel pump is not working and i'm not getting any spark and i can't figure out what the problem might be?

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When you say it wanted to turn over did you mean that the car will turn over normally and not start? If this is he case check the fuel pump relay under the dash. If it cranks slow get the battery fully charged and see if that helps. If it turns over fine check the key by using your other one to see if the other key works.

Can you here a pump noise when you turn ignition on? If you can have you go any fuel in or the lines onthe wrong way. The car isn't firing not turning over. You have a spark because it fires when using fuel substitute; take off a fuel inlet line turn the ignition on cheak to see any fuel if theres not you have a pump fault still. Here is the list of troubleshooting procedure. Follow the numerical order. I do be believe in your case has something to do with fuel, most possibly your fuel pump:
1. Check fuel pump circuit.
2. Check fuel injector circuit.
3. Check Idle Air Control Valve circuit.
4. Check Mass Air Flow circuit.
5. Check coolant temp sensor circuit.
6. Check camshaft position sensor circuit.
7. Check EGR valve.

Also, remember that its possible that have lost the programming on your ignition key. Most newer Nissans have programmable sentry keys that if they lose programming or the battery is disconnected at any time or looses voltage, the key will need to be reprogrammed. This, unfortunately, requires the car be towed to the dealer and have them program it. The vehicle will turn over but it will not start, which is an indication that the immobilizer has activated.

Hope this helps.

Posted on Jun 02, 2010

  • canes69_2 Jun 02, 2010

    Thanks for the advice i will keep checking, now people keep telling me is the computer but i have no way of checking that and i don't wana go buy a one, now what your tellin g me about the key makes sense cuz i had a ford f-150 and i lost the key and the pump wouldn't work, but in this case with this sentra is a bit different cuz i have the original key and it works everything in the dash works the motor turns over, but i check for spark and i'm not getting any, and the fuel pump dosent work. do you think that key needs to be program in order to get spark and the fuel pump to work???

  • ZJ Limited
    ZJ Limited Jun 02, 2010

    In all that said,
    You are right: there are vehicles that stop working when there is no
    synchronization between your ignition key and the main module of the
    It is possible that having a new engine,
    if the original ECU, the ECU now you do not even have this recognition.

    This could be causing the problem, not only with the fuel
    pump, but also with the ignition module and coils.

    If you
    find the possibility to test with another ECU and get the same answers,
    it is likely that the problem here; know if an ECU can be reprogrammed.



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