Contents Wiring diagrams Section: Testing & Diagnostics All sections

P0131 Chevrolet Uplander I

  1. DTCs P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0125, P0201, P0202, P0203, P0203, P0204, P0205, P0206, P0220, P0442, P0443, P0446, P0449, P0452, P0453, P0454, P0455, P0464, P0496 are not set.
  2. DTCs P0420 and P2A01 are not commanding fuel.
  3. The system voltage is between 9-18 volts.
  4. The scan tool special functions are not active
  5. The Air Fuel Ratio parameter is between 12:1-16.5:1.
  6. The TP sensor parameter is between 4-40 percent.
  7. When the vehicle is not in the power enrichment (PE) mode, the following conditions must also be met: The Air Fuel Ratio parameter is between 12:1-16.5:1. The throttle position (TP) sensor parameter is between 4-40 percent. The Loop Status parameter is closed. The ECT parameter is less than 131°C (267°F). All fuel injectors are ON. The traction control is not active.
  8. During PE mode, the following conditions must also be met: The Engine Run Time parameter is more than 5 minutes. The Air Fuel Ratio parameter is more than 16.5:1. The above conditions are present for at least 2 seconds.