Contents Wiring diagrams Section: Testing & Diagnostics All sections

P0133 Chevrolet Uplander I

  1. DTCs P0030, P0053, P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0125, P0128, P0131, P0132, P0134, P0135, P0201, P0202, P0203, P0204, P0205, P0206, P0220, P0300, P0442, P0443, P0446, P0449, P0451, P0452, P0454, P0455, P0464, P0496, P2135 are not set.
  2. DTCs P0050, P0059, P0155, where applicable, are not set.
  3. DTCs P2A01 and P0420 are not commanding fuel.
  4. The system voltage is between 9-18 volts.
  5. The scan tool special functions are not active.
  6. The HO2S 1 Heater parameter is ON.
  7. The ECT sensor parameter is more than 65°C (149°F).
  8. The Engine Run Time parameter is more than 60 seconds.
  9. The vehicle is not in Park, Reverse or Neutral.
  10. The Loop Status parameter is closed.
  11. The MAF sensor parameter is between 15-30 g/s.
  12. The TP Indicated Angle parameter is more than 2 percent.
  13. The Engine Speed parameter is between 1,200-2,200 RPM.
  14. The evaporative emission (EVAP) system is purging.
  15. The above conditions have been met for one second.