P1137 – O2 Sensor Circuit High (BMW)

Description

P1137 BMW indicates the O2 sensor signal is higher than expected.

Need More Than Just the Fault Code?

A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.

Compare Diagnostic Scanners

Symptoms

  • Hesitation
  • Reduced power
  • Rough idle

Causes

  • Sensor failure
  • Fuel rich condition
  • Wiring fault

Diagnosis

  • Check O2 voltage
  • Inspect fuel trims
  • Check wiring

Repair

  • Replace sensor
  • Repair wiring
  • Fix rich mixture