Just stopped running while in the middle of driving?

Tiny
SABRYS
  • MEMBER
  • 1997 CHEVROLET MONTE CARLO
I have a 1997 Monte Carlo that just stopped running while in the middle of driving. When I started the car to leave work I had to pump the gas a couple of times, which I shouldn't have had to do. I had the car towed and it sat for a couple of days. It will try to start but won't. You can listen and hear the fuel pump engaging. What could be the problem?
Saturday, January 8th, 2011 AT 7:38 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It sounds like you might have a faulty crankshaft position sensor.
The crank sensor monitors the crankshaft rotation and sends that information to the ECM. Over time heat and vibration from the engine can cause it to lose its internal calibration. This will cause the sensor to send error data to the ECM, which can trigger an engine shutdown.
After the engine stalls you may or may not be able to restart it.

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

I have attached the replacement procedure below.

Please let me know if you have any questions.
Thank you.
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Wednesday, January 19th, 2022 AT 8:45 PM

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