If not then your crank sensor is more then likely the problem. There will be a 10mm bolt holding the sensor in. Nissan has a crank and cam sensor kit. Attach connector to heater tube bracket. If you purchased the crank and cam sensor kit from Nissan, make sure that sensor with white dot at bolt whole goes to the crank.
If installing returning a used sensor to vehicle, a new paper spacer must be installed to bottom of sensor. I used the gold bolt to draw the sensor in while slowly tightening. First twist then pull out the sensor. Once the sensor is in place, you're done with the repair installation. I installed the connector to the sensor while it was out of the block — the green tab still did not pop back into its original position on its own — so…while the connector was installed as far down as I could push it, it used a small flat blade screw driver to push on the bottom of the green tab towards the top. The sensor is sealed to the interface with a mechanical gasket better known as an O-ring.
First remove the wire harness it generally comprises of three wires from the sensor. Usually the crankshaft position sensor is placed in front of the engine, by the main pulley. One way to check if it is working is when you try to start the car does the needle move on you tac? While holding the sensor in this position, install and tighten the retaining bolt to 12 N·m 105 in. When you are done, reconnect the wire harness in the same order as they were- prior to the install. When it's out the sensor will be shaped kind of like an L. Remember to reinstall all brackets and items that were removed. When you change the crankshaft position sensor, you also need to reinstall a fresh O-ring, as the old one can't be reused.
You are now ready to install the new crank sensor. This can be identified by an elongated mounting hole in the sensor. Disconnect the negative battery ground cable before you begin the install process. I have changed a few of these over time and they can be a little stoburn. Remove crankshaft position sensor retaining bolt Crankshaft Position Sensor Pull crankshaft position sensor straight up out of the transaxle housing.
If the sensor does not lock into place and requires adjusting, use a paper spacer to achieve the above result. Remove the air tube that connects the throttle chamber to air filter box. Keep track of which is which--They will connect to the corresponding places on the replacement sensor. If you decide to change it yourself not to terrible of a job unplug the sensor, remove the bolt and spin it back and forth slightly while pulling it out. Disconnect crankshaft position sensor electrical connector from the wiring harness connector. Posted on Mar 26, 2009 www.
Place the new sensor in exactly the same slot. A shop manual should be able to tell you where it is for year, make and model. Connect crankshaft position sensor electrical connector to the wiring harness connector. After the green tab was depressed and locked, still viewing from above I repositioned my hand holding a smaller flat blade screw driver to gently pry the connector off the sensor inserting the blade of the screw driver between the bottom of the connector and the crank sensor a slight twist should do it. Once the bolt is removed, you can remove the failing sensor and replace it with the new sensor. For the handful of crankshaft position sensors that need adjustment, you can often use a paper spacer placed on the end of the sensor.
This can be done with the help of a socket wrench. . When you crank the engine the wheel will rip off the paper and the adjustment will be correct. The information below is compiled of tips I found on the internet and my own experience. Pull off the valve cover breather hose with the air tube. What turned out to be the biggest problem was the connector securing the wiring harness to the sensor. It may be on the front of the engine, on the side or in the rear.
Hope helps remember to rate and comment this free answer. In some cars, the sensor may be placed at the side of the engine or at the back. If spacer is not used, sensor will be broken the first time engine is started. Now place a drop light under the two rubber heater hoses at the firewall on the drivers hand side , shining the light forward towards the back side of the block below the intake runners. Pay attention to the wire connections as you will have to reattach them in the same order once you change the crankshaft position sensor. New Sensors: Be sure paper spacer is installed to bottom of sensor.