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2000 Chevy Impala Engine suddenly dies

Tiny
HANDYMEX
  • MEMBER
  • 2000 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 60,000 MILES
In the last two weeks I had experienced 5 or 6 sudden engine stops with no reason ( I Guess), and I turn de ignition switch on and inmediatly the engine starts with no problem, could it be the ignition switch, (the key has some kind of loose feeling)
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Tuesday, May 12th, 2009 AT 12:17 PM

2 Replies

Tiny
RHALL77
  • MECHANIC
  • 3,361 POSTS
It very well could be. Do you know if you have a security light on?
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Tuesday, May 12th, 2009 AT 2:52 PM
Tiny
TAKECHARGESARGE
  • MECHANIC
  • 92 POSTS
Try replacing the Engine Crankshaft Position Sensor.
This senses the crankshaft position for the ignition module. It is located under the ignition module and straddles the crankshaft pulley.

I had this same problem with my 2000 Chevy Impala and once the sensor was replaced the problem went away and hasn't returned.

I performed an inspection of the removed sensor and the only visual problem was magnitized material built up in one of the grooves. I suspect that the material built up until it made contact with the pulley
and the engine shut down almost like grounding out the spark plug on a lawn mower.
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Tuesday, June 30th, 2009 AT 12:05 AM

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