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1997 Chevy Blazer timing

Tiny
ESTRNGY
  • MEMBER
  • 1997 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 101,150 MILES
While trying to start engine kicks back hard enough to strip the teeth off the flywheel.
Sunday, October 18th, 2009 AT 4:48 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Have you checked timing? It sounds like it is too far advanced?
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Monday, October 19th, 2009 AT 7:20 AM
Tiny
ESTRNGY
  • MEMBER
  • 5 POSTS
You're right on the money. I think that I've solved the problem. Seems that the crank shaft position sensor goes a little crazy and advances the timing up to 50degrees resulting in a no start, backfire, engine
kickback conditions. GM makes a revised sensor that
corrects the problem. Thanks again for quick responce
to my question.
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Monday, October 19th, 2009 AT 12:03 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Let me know if it fixes the problem.
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Monday, October 19th, 2009 AT 1:25 PM
Tiny
ESTRNGY
  • MEMBER
  • 5 POSTS
YES the problem is fixed. Installed a new crankshaft sensor timing is back to normal runs like new again.
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Saturday, October 24th, 2009 AT 2:29 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Sounds great. Glad you got it fixed. Let us know if you have questions in the future, and thanks for using 2carpros. Com
Joe
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Saturday, October 24th, 2009 AT 11:15 AM

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