In this guide, you will learn about Nissan crankshaft position sensor also referred to as crank sensor or CKP. Sometimes it is confused with camshaft position sensor which can also fail and cause engine start problems.
When crankshaft position sensor fails your Nissan will hesitate to start or may not start at all. Check engine light will turn on. If you scan the ECU for fault codes you will get trouble codes such as P0335, P0340 or even P0725.
This problem is common on Nissan Altimas but may affect multiple Nissan vehicles including Nissan Quest, Altima, Sentra, Maxima, 370z, Navara, Rouge, Murano, NV200, Micra, Sunny, Qashqai and Serena.
The most common symptoms of a failed crankshaft position sensor on a Nissan is that the car hesitates to start or the car stalls after it starts. In some cases, it may require that you crank the car for a long time to get it to start.
Engine cranks but won't start
Engine hesitates to start
P0335 Crankshaft Position Sensor
Engine may start fine when cold, refuses to start when it warms up
Check Engine Light On
Engine stalls when it is warmed up
Intermittent Starting Problem
Below you will find instructions on how to replace crankshaft position sensor on a Nissan 3.5L V6 engine.
Follow these instructions to remove and replace the crankshaft position sensor on a Nissan.
Jack up your Nissan in order to access the bottom of the engine. You can use jack and jack stands or ramps which is easier. Drive you Nissan on ramps. Allow the engine to cool down for at least 15 minutes. Secure the vehicle by placing it in Park. Secure the rear wheels. Place jack stands to support the vehicle.
Remove the plastic cover from under the engine. It is held in place with several plastic screws.
Locate the crankshaft position sensor on your Nissan. The crankshaft position sensor is installed on the transmission housing right where the transmission attaches to the engine block.
Press the small tab on the connector and unplug the electrical connector by pulling it away from the sensor.
Remove the 10 mm bolt.
Remove the old crankshaft position sensor on your Nissan. Install the new crankshaft position sensor in reverse order.
Once you tighten the 10 mm bolt, reconnect the electrical connector.
Reinstall the engine splash shield and lower the vehicle. Read the codes and clear them using an OBD-II scanner.
If the crankshaft position sensor fails to come out, try twisting the old sensor to get it loose. If that doesn't work spray penetrating oil between the sensor and the block. Try removing the sensor after waiting 15 min.
Crankshaft position sensor and Camshaft position sensor are not the same and do not serve the same function. These two are often confused.
Frequently Asked Questions
Where is the crankshaft position sensor located on a Nissan?
Location of Nissan crankshaft position sensor.
How to check if Nissan crankshaft position sensor is bad?
One the most common ways to verify that the crankshaft position sensor on a Nissan is bad is to read the fault codes from the ECU. This is a very simple procedure and requires an OBD2 code reader.
Plug in your scanner into the OBD2 port under the dashboard.
Turn of ignition.
Read codes from the ECU.
Confirm that a code related to the crankshaft position sensor circuit is present.
Where to buy cheap Nissan crankshaft position sensor?
Nissan crankshaft position sensors vary between model years. To find cheap Nissan crankshaft position sensor check prices here and here. Filter results by year and model to find the right crankshaft position sensor for your Nissan.
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