Diagnostic System Operation Check - Anti-Theft (Domestic): Notes

1999 Chevrolet Cutaway 7.4 JSECTION Notes
NOTE: On vehicles equipped with diesel engines, if you are instructed in any Anti-Theft System test to start the vehicle, you must always wait for the WAIT TO START indicator to turn off prior to cranking the engine. This procedure could take anywhere from 2-17 seconds.
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When to See a Mechanic

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

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