Mechanics

WHAT IS CAUSING THE ENGINE LIGHT TO BLINK

1999 Chevrolet Lumina • 143,000 miles

It is running ruff and we changed the plugs
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Mdwindle77
August 26, 2011.



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.

Wrenchtech
Aug 26, 2011.