Service Engine Light On Start-up Problem

By spikefish
November 16, 2009 in 1999-2013 Silverado 1500 & Sierra 1500

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spikefish

Posted November 16, 2009

Last week I took my 2000 Sierra in for the annual safety inspection. The technician informed me that the service engine light did not come on when the ignition is turned on, but before starting, as required in my state. After several cycles the light came on, and continued to function properly afterwards--I passed the inspection.

Now, the light is intermittent when turning the ignition on---any ideas?

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