Intermittent Malfunction Indicator Lamp

2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN WSECTION 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, test for an intermittent malfunction.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.