How to get spark on cylinders 1&4? No.

Tiny
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  • 1999 BUICK PARK AVENUE
  • 177,000 MILES

How to get spark on cylinders 1&4?
No spark on cylinders 1&4. The wires and plugs were tested and are OK. Then scanner says multiple misses PO300. 3.8L.

Wednesday, December 26th, 2012 AT 8:38 PM

1 Reply

Tiny
WRENCHTECH
  • EXPERT
  • 20,761 POSTS

Swap the first coil with the second one and see if the miss moves to different cylinders. If it does, change the coil. If it doesn't, change the ignition module.

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Wednesday, December 26th, 2012 AT 9:00 PM

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