1998 Jimmy - Check Engine Light Problem - HELP!

    So my wife was driving her 1998 GMC Jimmy home last night, and out of nowhere for about 2 seconds all the gauges (tach, spedometer) dropped
down to 0 , but then came right back up. She said there was no loss in speed, the lights stayed on fine, and now this morning her service engine light soon came on, anyoen have any ideas as to what might have caused this?
Please respond via private email if possible, thanks a million in advance!
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It's really hard to say what that might be, but most likely the stored trouble code(s) will be quite helpful in diagnosing it..
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Robert Hancock Saskatoon, SK, Canada
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