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GMC Truck
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1996
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S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Testing and Inspection
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Component Tests and General Diagnostics
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Service Engine Soon Indicator
Service Engine Soon Indicator
The SERVICE ENGINE SOON Indicator will light if a problem is detected by the PCM or VCM with the engine running and the vehicle moving.