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There is no spark from the coil pack

Tiny
IBSWEETBABY
  • MEMBER
  • 1990 BUICK CENTURY
We have checked to see if there is spark coming from the coil pack and there is none does this mean we need to replace whole coil pack or just the top
Sunday, December 18th, 2011 AT 12:18 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try checking the crankshaft positioning sensor before you replace the coil pack-
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Sunday, December 18th, 2011 AT 12:21 AM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Is the coil pack receiving power? Check to see if the crankshaft position sensor is receiving power. Check continuity to ground on the other leg of the CPS sensor. If all these are good, then the coil pack needs to be replaced.
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Sunday, December 18th, 2011 AT 12:24 AM

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