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)
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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