The car will turn over but never starts, like theirs no fuel, the fuel pump relay clicks when i leave the key to accessory, i replaced it. theres another relay somewhere thats making noise, but i cant find it.
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Re: car wont start
Try the fuel pump relay, usually located behind the right kick panel in the passenger side. If that is working, Nissans have a fuse link to the injectors. If that burns out the car will crank but will not start until you get power to the injectors.
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If you can hear the fuel pump then most likely the ASD relay and fuel pump circuit is working properly. If all it does is back fire w starting fluid something else is going on. Get a inexpensive code reader. Or turn the key 3 times quickly from off to accessory finishing on accessory and look at the odometer it should give you a code. Sounds like a timing issue or CKP, CMP coalition issue.
If you have no fuel pressure at the engine when key is on, the pump is not coming on. Check fuel pump fuse, check fuel pump relay (relay should click when key turned to on-put finger lightly on it and feel for click when someone turns key to on). If no click, signal from computer may be lost, ground for relay may be lost, or relay may be bad. If it clicks, wiring from relay to pump may have failed, or the relay's main power source may not be there at relay-find the fuse link or maxi-fuse that powers that relay. One terminal at relay should be hot at all times-can check for that with a test light. If pump is working and you do have fuel pressure, you will need to check injector circuit. Post back if questions, or need further help.
I apologize for a delayed response as i was not at my desk.
Check to see if the fuel pump relay clicks when you turn the key on. If
it doesnt click verify one terminal has constant ground if not you will
need to run a new ground wire. If ground is good access pin 46 on
connector 1 of the pcm to check for voltage if no voltage replace pcm if
it has voltage replace green/white wire between pcm and relay. You can
also first try to swap the relay with another one to see if that helps.
If relay clicks then check the 15 amp fuel pump fuse and if blown
replace. If fuse is good verify one terminal on the relay has voltage
at all times and gray wire has voltage leaving relay when key is in
crank position for for a few seconds when turned into on position. If
gray wire leaving relay has voltage but not gray wire at fuel pump
replace the wire.
the fuel pump has 2 fuses 1 in the engine compartment fuse box and 1 in the fuse box inside dash. Also the fuel pump relay is located in the glove box on the passenger side their is 3 relays in there. If you put your hand on the relays and turn the key to the on position you should feel it click and then you will know which one it is. If you do not feel it then this is likely your problem but check the 2 fuses first.
check plug for fuel pump in harness near gas tank for corrosion and it may also have seoerated wire where it comes out of connecter the seperation may be from pulling on wires when pump replaced insulation may look alright because it streaches.