Engine started hesitating now it will not start

Tiny
JUSTIN CORNELL
  • MEMBER
  • 2005 NISSAN ALTIMA
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 199,000 MILES
It will turn over. I already changed cam position sensor. Hooked it to a diagnostic tool and the car does not throw a code.
Tuesday, September 4th, 2018 AT 11:21 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,300 POSTS
Hi and thanks for using 2CarPros.com.

Based on your description, it sounds like the crankshaft position sensor may be bad. Take a look through this link. It notes that a bad crank sensor may not set a code.

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

Here are general directions on replacing one:

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

_____________________________

Here are directions specific to your vehicle for testing the sensor:

Component Inspection

CRANKSHAFT POSITION SENSOR (POS)
1. Loosen the fixCing bolt of the sensor.
2. Disconnect crankshaft position sensor (POS) harness connector.
3. Remove the sensor.
4. Visually check the sensor for chipping.
5. Check resistance as shown in the figure.
6. If NG, replace crankshaft position sensor (POS).

_____________________________

The attached pictures correlate with these directions. The last two pics are its location.

I hope this helps. If you have a live data scanner, check to see if there is an RPM signal when cranking. If there is, the sensor is most likely not the issue.

Let me know.

Joe

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Sunday, April 25th, 2021 AT 1:31 PM

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