The service light came on?

1997 SATURN SC2
138,000 MILES • 6 CYL • FWD • AUTOMATIC
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BRIANHOWARD33
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I have a 1997 Saturn SC2. The service light came on a few weeks ago, flickered on twice and off. Then when starting up the car this morning, it came on and stayed on for a minute, then disappeared. What might be the problem?
Dec 7, 2010 at 2:03 PM
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WRENCHTECH
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The "check engine" light is an indicator for a system that monitors many electronic functions in the system, also called the "malfunction indicator lamp" (MIL).

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please go over this guide and get back to us.
Dec 7, 2010 at 2:07 PM
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SAM.SMALL
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Wrench light on but no codes from OBDII SCAN?
Mar 23, 2025 at 11:44 AM
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STRAILER
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This means the PCM is probably bad, I would send it in for testing.
Mar 25, 2025 at 10:18 AM