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Crankshaft position sensor

Tiny
PATRICK DUBOIS
  • MEMBER
  • 2001 GMC SIERRA
  • 4.8L
  • V8
  • RWD
  • AUTOMATIC
  • 247,000 MILES
Truck just turned off, will not start. Engine turns over fine, but nothing happens. Spark plugs are not firing. Bought a code reader, it said the crankshaft position sensor is bad. I replaced it, and tried to start and it did not start, but then the battery died. With the new sensor in place, should it start up like normal? Or does it take a bit to get everything back in order?
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Monday, January 30th, 2017 AT 11:46 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
No it should start. Try a security system reset that may be problem.
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Monday, January 30th, 2017 AT 12:06 PM
Tiny
PATRICK DUBOIS
  • MEMBER
  • 1 POST
It does not have a security system.
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Monday, January 30th, 2017 AT 12:09 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
That should have a security system even if the key is not chipped does not mean there is not a security system.
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Monday, January 30th, 2017 AT 1:07 PM

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