1995 Chevy Blazer 1995 Blazer stalls out after 20 minutes o

Tiny
JMAKDISI
  • MEMBER
  • 1995 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 177,000 MILES
My blazer recently starts stalling out after about twenty minutes of driving. Can anyone tell me why this might be happening?
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Thursday, June 18th, 2009 AT 9:39 PM

4 Replies

Tiny
LEGITIMATE007
  • EXPERT
Yes it sounds like you have a crank position sensor problem, It will need to be replaced
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Thursday, June 18th, 2009 AT 10:04 PM
Tiny
PROMAX88
  • MEMBER
What does this do and is hard to replace?
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Saturday, July 25th, 2009 AT 4:56 PM
Tiny
LEGITIMATE007
  • EXPERT
It monitors the crankshaft and tells the computer what position, it is in to help keep the timing on track, after the computer acknowledges, where the crankshaft is it then sends the spark timing to the coil, what usually happens is, when the crank sensor becomes faulty, as it heats up it will cause an open circuit and stop sending those signals to the computer, when this happens, the computer shuts down the operation of the engine, in fear that, damage will occur if it doesnt, (basically). And this is textbook, Its just that there were other things that can cause similar symptoms, that we should've checked, the crank sensor will be located, near the crankshaft pulley usually in the upper left corner right behind it.
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Saturday, July 25th, 2009 AT 9:01 PM
Tiny
LEGITIMATE007
  • EXPERT
It can be pretty, tedious to replace, depending on what is in the way, I personally never did one on your vehicle, but I can also say, it would probably cost approx. 140 to 200 dollars to replace, part included
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Saturday, July 25th, 2009 AT 9:03 PM

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