Intermittent Simulation

2002 Chevrolet Avalanche 2500, RWDSECTION Intermittent Simulation
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Attempt to reproduce conditions causing intermittent problem(s):

  • Apply light vibration to components.
  • Apply small amount of heat to component.
  • Wiggle or bend wiring harness.
  • Remove/apply vacuum supply source.

Monitor circuit/component voltage or resistance while attempting to simulate intermittent. Monitor for DTCs. Use test results to identify problem component or circuit.

RENDER: 1.0x

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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.