2003 Nissan Xterra 3.3L stalled out 3 times while driving now won't restart. Replaced fuel pump, distributor cap and rotor button, still won't start. Any suggestions?
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the camshaft sensor is located into distribuitor.......The camshaft position sensor is a basic component of the engine control system. It monitors engine speed and piston position. These input signals to the ECMare used to control fuel injection, ignition timing and other functions.
The camshaft position sensor has a rotor plate and a wave-forming circuit. The rotor plate has 360 slits for a 1° (POS) signal and 6 slits for a 120° (REF) signal. The wave-forming circuit consists of Light Emitting Diodes (LED) and photo diodes.
The rotor plate is positioned between the LED and the photo diode. The LED transmits light to the photo diode. As the rotor plate turns, the slits cut the light to generate rough-shaped pulses. These pulses are converted into on-off signals by the wave-forming circuit and sent to the ECM.
The distributor is not repairable and must be replaced as an assembly except distributor cap and rotor head.
NOTE: The rotor screw which secures the distributor rotor head to the distributor shaft must be torqued properly.
Start by draining fuel from tank, if filled with water! And put fresh fuel back in. God-Bless! Depending on the amount of water in the tank, you may want to leave it empty for a while so that it can dry out.
pull one ignition cable out of cap just enough to see the tip of connector and crank it, a spark should jump from cap to tip of wire. no spark means you need the whole distributor replaced. buy it from nissan or infiniti dealer, it comes with cap rotor installed and 12 mo 12k mile warranty, no matter who installs it. dont waste time with aftermarket rebuilt distributor, those are not reliable. https://parts.infinitiusa.com/
I worked on a '93 Quest last year. Couldn't find out why it wouldn't start. It was the distributor shaft not held onto its rotating gear. The roll pin had come out of the gear on the end of the distributor shaft. When the distributor cap was off, the rotor was turning with the shaft while the engine was cranking. So I thought that was okay. But when I put my finger on the rotor and it stopped turning, that is when I found out the problem. It's a stretch, but maybe the techs missed it. Take the cap off, and if you can spin the rotor either way just by hand, the distributor gear has come loose.
Looks like they really covered a lot. I suppose next they will you to replace the ecu. Good luck.
fuel problem then .either a plugged fuel filter or the fuel pump is not working .. if you were to shoot a little fuel into the throat of the throttle body or air cleaner area you say it will run .? if so you are not getting fuel up to there . sounds like maybe a possable pump . always replace cheapest thing first like filter .. thanks Jerry holler if you need more.
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