Engine stopped running while driving and the Check Engine Light is on?

Tiny
SARADAILY
  • MEMBER
  • 2005 FORD EXPEDITION
While driving my 2005 Expedition into my office parking lot, the engine and entire electrical system completely shut down with no warning. I was going around 25mph. I restarted the vehicle, it started right up, but now the Check Engine Light is on. I attempted to use an Engine Code Scanner on it last night to figure out what codes were in the computer, but it won't read, it just keeps flashing 8888. I know the Scanner is good because I checked it on my boyfriends Jeep and it worked fine. I know that the Expeditions have some electrical issues. Any idea what I could be looking at here? I'm scheduled to take the truck out of town this weekend, but don't want to chance having it stop running on me again.

Please help. Thank you!
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Tuesday, March 18th, 2008 AT 1:14 PM

1 Reply

Tiny
SEAN M
  • EXPERT
Hello,

This engine shut down could be due to a faulty crankshaft position sensor.
The crank sensor monitors the engine revolution and sends that data to the ECM. Over time the heat and vibration from the engine the sensor can lose its internal calibration and send error data to the ECM. This can trigger an engine shutdown.

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

As for the scanner not working, does it show that it is connected or does it not even power up?
Could be a blown fuse for the OBD port. That fuse is located in the fuse box inside the passenger compartment.

Please let me know if you have any questions.
Thank you
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Sunday, January 16th, 2022 AT 10:47 PM

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