What is causing the engine light to blink

Tiny
MDWINDLE77
  • MEMBER
  • 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
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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