Runs and shuts down

Tiny
DMILVAE
  • MEMBER
  • 2003 JEEP LIBERTY
  • 6 CYL
  • 4WD
  • 15,000 MILES
Motor runs and shuts off after 2-3 minutes.
Monday, August 19th, 2019 AT 8:02 AM

9 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

Does it start right back up or do you have to wait a while for it to start?

https://www.2carpros.com/articles/engine-stalls

Roy
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Monday, August 19th, 2019 AT 8:10 AM
Tiny
DMILVAE
  • MEMBER
  • 11 POSTS
It starts right back up.
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Monday, August 19th, 2019 AT 8:14 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, good possibility it is the crank sensor. It is common for failing like this and restarting right away.

I attached a picture of the location for you.

Roy

The Crankshaft Position (CKP) sensor is mounted into the right rear side of the cylinder block. It is positioned and bolted into a machined hole.
1. Raise vehicle.
2. Disconnect sensor electrical connector.
3. Remove sensor mounting bolt.
4. Carefully remove sensor from cylinder block in a rocking and twisting action.
5. Check condition of sensor O-ring.

INSTALLATION
1. Clean out machined hole in engine block.
2. Apply a small amount of engine oil to sensor O-ring.
3. Install sensor into engine block with a slight rocking and twisting action.

CAUTION: Before tightening sensor mounting bolt, be sure sensor is completely flush to cylinder block. If sensor is not flush, damage to sensor mounting tang may result.

4. Install mounting bolt and tighten to 28 Nm (21 ft. Lbs.) Torque.
5. Connect electrical connector to sensor.
6. Lower vehicle.
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Monday, August 19th, 2019 AT 8:23 AM
Tiny
DMILVAE
  • MEMBER
  • 11 POSTS
Thanks, I will try that.
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Monday, August 19th, 2019 AT 9:01 AM
Tiny
ASEMASTER6371
  • MECHANIC
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You are welcome.

Always glad to help.

Roy
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Monday, August 19th, 2019 AT 9:13 AM
Tiny
DMILVAE
  • MEMBER
  • 11 POSTS
I will let you know If this fixes the problem.
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Monday, August 19th, 2019 AT 9:14 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Sounds good.

Roy
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+1
Monday, August 19th, 2019 AT 9:18 AM
Tiny
DMILVAE
  • MEMBER
  • 11 POSTS
That fixed the problem. Thank you
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Wednesday, August 21st, 2019 AT 5:23 AM
Tiny
ASEMASTER6371
  • MECHANIC
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You are welcome.

Always glad to help.

Roy
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Wednesday, August 21st, 2019 AT 11:55 AM

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