1986 Buick Electra no spark

Tiny
GF1973
  • MEMBER
  • 1986 BUICK ELECTRA
Engine Performance problem
1986 Buick Electra 6 cyl Front Wheel Drive Automatic

How do I check for spark on a coil pack? If no spark then what?
Friday, June 19th, 2009 AT 11:55 PM

1 Reply

Tiny
LOUT5369
  • MECHANIC
  • 217 POSTS
I would use a spark checker, they are available at your local parts store, remove the wire from the sparkplug insert spark checker, then attach to metal(exhaust bolt, manifold)have a helper crank engine, watch for spark or listen for snapping sound, if no spark found at any wires, you'll need to scan computer for crank signal/camsignal, it may be a good idea to check for injector pulse at this time also. Good Luck, Lou
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Friday, July 31st, 2009 AT 6:08 AM

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