Cranks will not start

Tiny
RUSSG640
  • MEMBER
  • 1998 LINCOLN CONTINENTAL
  • 200,000 MILES
It drove fine until I pulled in home one day and will not start now.
Wednesday, August 29th, 2018 AT 4:29 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
For using 2CarPros.com.

Often times, a bad crankshaft position sensor will fail and the engine will lose spark. Take a look through this link:

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

Here are general directions for replacement:

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

Additionally, here is a link that discusses possible reasons why a vehicle will not start:

https://www.2carpros.com/articles/car-cranks-but-wont-start

What you need to do is this, check to see if there is spark and fuel to the engine. One will most likely be missing or weak. Here are general directions for both:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-test-an-ignition-system

__________________________________________

If you find there is no spark, my first suspect would be the crankshaft position sensor. The Crankshaft Position Sensor is located at the lower right side of engine, near heated oxygen sensor #22. See the attached picture.

Let me know if this helps or if you have other questions.

Take care,
Joe
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Wednesday, August 29th, 2018 AT 7:17 PM

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