OBD Guide

P1137

Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean

P1137 is an OBD-II diagnostic trouble code meaning: Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean. Common causes: bank 1 sensor 2 oxygen sensor malfunction, air leaks in the intake manifold. Estimated repair cost: $22–67.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–67 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable engine operation
  • Check Engine light comes on
  • Reduced engine power
  • Increase in harmful emissions

Causes

  • Bank 1 Sensor 2 Oxygen Sensor Malfunction
  • Air leaks in the intake manifold
  • Problems with the fuel system (low fuel pressure)
  • Malfunction of the catalytic converter
  • Damage to the sensor wiring harness

How to Fix

  1. Check oxygen sensor Bank 1 Sensor 2
  2. Check the tightness of the intake system
  3. Check fuel pressure
  4. Check the condition of the catalytic converter
  5. Replace the oxygen sensor if necessary

Related codes

Error P1137 by Vehicle Brand

FAQ

What does the P1137 code mean?

P1137 is an OBD-II diagnostic trouble code that indicates: Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean

What causes a P1137 error code?

The most common causes of P1137 include: Bank 1 Sensor 2 Oxygen Sensor Malfunction; Air leaks in the intake manifold; Problems with the fuel system (low fuel pressure); Malfunction of the catalytic converter.

How do I fix a P1137 diagnostic trouble code?

To fix P1137: Check oxygen sensor Bank 1 Sensor 2. Check the tightness of the intake system. Check fuel pressure. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1137?

Yes, but get it checked soon

How much does it cost to fix P1137?

The estimated repair cost for P1137 is $22–67. Actual cost depends on your vehicle, location, and labor rates.

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