Discovery Energy, LLC (Rehlko)

P1134

ErrorFuel

What This Code Means

Oxygen Sensor 1 Bank 1 Erratic Air Fuel Ratio

Possible Causes

  • •Diagnostic not set
  • •Problem with exhaust leaks or poor HEGO sensor performance

Suggested Actions

  1. 1Check for exhaust leaks before or near the HEGO sensor
  2. 2Check for intake manifold leaks
  3. 3Verify that the HEGO sensor is installed securely
  4. 4Troubleshoot the HEGO sensor for bad leads. Refer to the Heated Exhaust Gas Oxygen (HEGO) Sensor Troubleshooting section
  5. 5Replace the HEGO sensor. Refer to the Heated Exhaust Gas Oxygen Sensor (HEGO) section

Related Discovery Energy, LLC (Rehlko) Fault Codes

P1520P1521P0224P1522P0223P1562P0222P1633P0221P2112P0124P2163
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