WHAT WOULD MAKE THE 3100 FIRE OUT OF ORDER AND ...

  • Tiny
  • Anonymous
  • 1999 Chevrolet Lumina
  • 180,000 miles

What would make the 3100 fire out of order and backfire thru the intake system?

Monday, November 19th, 2012 AT 5:12 PM

1 Reply

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

Incorrect timing, ignition wires installed incorrectly.

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Monday, November 19th, 2012 AT 5:21 PM

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