WHAT IS CAUSING THE ENGINE LIGHT TO BLINK

  • Tiny
  • mdwindle77
  • 1999 Chevrolet Lumina
  • 143,000 miles

It is running ruff and we changed the plugs

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Friday, August 26th, 2011 AT 9:33 PM

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  • Tiny
  • Wrenchtech
  • Expert
  • 20,244 posts

The light is blinking to tell you that you have a misfire serious enough to damage the Catalytic Converter and it should not be driven. If you get the stored codes read, that will identify which cylinders are having the problem.

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Friday, August 26th, 2011 AT 10:00 PM

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