Slight vibration then engine shuts off

Tiny
CHRISCHRISF16
  • MEMBER
  • 2005 JEEP WRANGLER
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
I was driving going about 40 mph when and all of a sudden I felt a slight vibration, not violent, just slightly coming from the engine I believe, when this happened the slower I went the more I felt the vibration, the faster I went the vibration was minimal. I was driving on local roads so when I slow down to make a turn at a green light the check engine light came on for only about five to ten seconds, then seconds later the engine completely shuts off, electrical was still on, gauges were not acting crazy at all, but I could not restart the car, it will not even crank at all. I attempted to give it a boost thinking it was the battery, but nothing, no crank, but electrical was still turning on and I no longer see the check engine light. I was told multiple things that could be causing this, the starter, crankshaft sensor, neutral safety switch etc. I have not done any work or attempted to diagnose the problem nor test anything. I am not sure if this matters but I had the transmission rebuilt two years ago, but had no problem with the transmission, even when I was driving and the vibration occurred I felt the transmission shift smoothly as I accelerated, no shifting kick back or anything. What could this be? Thank you
Thursday, April 4th, 2019 AT 7:15 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Welcome to 2CarPros.

I have a feeling that the vibration was a misfire. It would be more noticeable when the RPM's are lower because the engine would have been loaded more. However, the cause could be a few different things.

With that, I need you to scan the computer first. Here is a video that shows how that is done. Retrieve trouble codes if they exist and let me know what they are.

https://youtu.be/YV3TRZwer8k

If you don't have a scanner, see if you can rent or borrow one from a parts store and let me know what you find.

Joe
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Friday, April 5th, 2019 AT 6:16 PM

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