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1997 Chevy Lumina No spark

Tiny
CAMAROZ28LT4
  • MEMBER
  • 1997 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 99,000 MILES
Well we rebuilt the engine because it spun a bearing, and go to start it, and it just cranks, pulled a plug and it looks like there is no spark. It is a 3.1 v6. I have no clue what could be the problem, Thanks.
Wednesday, December 12th, 2007 AT 1:05 AM

1 Reply

Tiny
JEFFYTUNE
  • MEMBER
  • 12 POSTS
Hi.

Question.

Did you plug in the crank sensor?

It's easy to miss, it is a two wire sensor on the Right side of the engine(If your looking at the front of the engine)
These sensors are also well known for failure.

If you have a DSO, check the pattern out of the sensor.

If not, just pull it out and look it over for cracks or the pins broken.

If all else fails, try a new sensor.

Jeff m.
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Wednesday, December 12th, 2007 AT 2:13 AM

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