Question about 2002 Nissan Sentra

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2002 Nissan Sentra car will not start but battery is 100% charged, will start when boosted though

Car will not start but battery is 100% charged, will start when boosted though

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  • benn0959 Oct 12, 2008

    Why would it start with a boost though?



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If this is an se-r every one has this problem its a falty fule pump i have an se-r and had the problem talked two people with the same year 02 and they wired a diffrent fule pump but had to for the turbo they put in anyways but the one thing i have knoticed is turn the key to the where you feel the spring hold it for about 3 seconds and the pump will then have enough presser to start


Posted on Oct 27, 2008

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A bad battery don't retain sufficient amperage even though it is displaying 12V when measured. Go down to a battery shop to have your battery checked for sufficient cold cranking amperes.

Posted on Oct 23, 2008

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Check your battery cables to see if the cables themselves are corroded and also check the connections where they connect to the vehicle that they are clean
positivecable will connect at the starter and the negative will connect to the engine some where.
if this does not help then have your starter tested to see if it is dragging. as it could be the armature or the brushes in the starter.

Posted on Oct 12, 2008

  • Fred Kenmuir Oct 12, 2008

    It would start on a boost because this will be putting 24 volts to your system rather then 12 volts, forcing the extra voltage through the system, thus allowing it to get the power it needs to start.

    the cables themselves corroding inside is rare but it does happen at times for some reason.

    an example of why it starts with a boost is: if an electician only hooks up three wire for your clothes dryer it will dry a load of laundry but it will take a very long time, now on the other hand if he hooks up all 4 wires the load of laundry will dry twice as fast for the dryer is then getting full power.

    I hope that this example and explanation helps answer your question.


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