Conditions For Running DTC

2002 Chevrolet Venture LT, AWDSECTION Conditions For Running DTC
  • DTCs P0121, P0122, or P0123 are not set.
  • The engine has been running for a period of time that is determined by the start-up coolant temperature. The time ranges from 2 minutes at less than -22°F (-30°C) to 1 second at more than 86°F (30°C).
  • The throttle angle is less than 2 percent when the engine speed is less than 3000 RPM; or the throttle angle is less than 30 percent when the engine speed is more than 3000 RPM.
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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.