Question about 2002 Nissan Sentra

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Cranking but doesnt start, or intermittently not starting

After work, is started the car, it cranks but doesnt start.. I used the other key to eliminate keycode problems,. still not working., I removed the sparkplugs and coils to check,all ok.. moved to the fuel pump, it is pumping fuel when ignition on.... tested the injector connectors from ecm... 12V and pulsating 12-0 during cranking....
sometimes it is starting... i suspect now that maybe crankshaft position sensor or camshaft position sensor might be the cause.. but i dont know how to test them....
Please help, Thanks.

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  • sonjeffrey Jul 02, 2009

    Im sorry, My car is Nissan Sunny 2002

  • Anonymous Mar 12, 2014

    Does not start

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My car does the same thing...sometimes it wont start....have to turn the key off then when I crank it again it fires right away. Possible that the in tank fuel pump pressure regulator isn't building to the proper pressure. Nissan did post a recall....under warranty *recall* I might add.... there is an updated pump that will cure the problem but since you most likely are out of warranty it will cast $400+ for the part plus labour if you can't install it yourself. Call nissan to verify if your car is affected by referencing your VIN with them. Dave.

Posted on Jul 15, 2009

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buster,
i guess you piggybacking, 2008 post.
sure.? cant tell really your post is not time stamped. PLEASE,start your own post?,.
and tell what engine you have., and trans.
and if the car is Auto or stick
they ARE NOT THE SAME.
the Answer is yes and no.!


automatic or manual trans,
(they are very different)
both cars have crank blocking devices. by law.

M/t clutch switch (depressed to crank)
A/T P/N switch. (must be in P/N to crank)
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here is the factory schematic,
fixya wrecks it. but
if you look close , it has relay on A/T cars
(automatic transmissions)_
end easter egg hunt 10000...
look close the 2 drivetrans are on one page.
left auto, right stick and lands same place starter.
1218739-fuelrpya0ajd2uthzrr5rxwa-2-0.jpg

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