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Home >> Chevrolet >> 1999 >> Express 1/2 Ton Van V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Diagnostics >> Intermittent Malfunction Indicator Lamp
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Intermittent Malfunction Indicator Lamp

In the case of an intermittent fault, the Malfunction Indicator Lamp (MIL) may illuminate and then after 3 trips turn OFF. However, the corresponding diagnostic trouble code will store in the memory. When unexpected diagnostic trouble codes appear, check for an intermittent malfunction.
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