Engine not cranking?

Tiny
GOBYSKITTEN
  • MEMBER
  • 2012 JEEP WRANGLER
  • 3.6L
  • V6
  • 4WD
  • AUTOMATIC
  • 11,000 MILES
My engine will not crank. It is not throwing a spark period. It has 110,000 miles. It does not crank period.
Monday, August 26th, 2024 AT 7:44 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

Most commonly, that is the result of a faulty crankshaft position sensor. When you crank the engine, watch the tachometer to see if it moves slightly. If it doesn't replace the crank sensor.

Also, if you have a live data scan tool, you can check for an RPM signal when cranking.

Take a look through this link and let me know if things mirror what you have experienced:

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

Let me know.

Take care,

joe
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Monday, August 26th, 2024 AT 7:58 PM

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