OBD Guide

P1095

O2 Sensor Circuit Slow Switching From Lean to Rich Bank 1 Sensor 1

P1095 is an OBD-II diagnostic trouble code meaning: O2 Sensor Circuit Slow Switching From Lean to Rich Bank 1 Sensor 1. Common causes: worn or dirty oxygen sensor, problems in the sensor electrical circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable engine operation
  • Reduced engine power
  • Check Engine light comes on
  • Dips during acceleration

Causes

  • Worn or dirty oxygen sensor
  • Problems in the sensor electrical circuit
  • Air leaks in the intake manifold
  • Fuel system malfunctions
  • Problems with mass air flow (MAF)

How to Fix

  1. Check the condition of the oxygen sensor
  2. Check the electrical circuit of the sensor for breaks and corrosion
  3. Check the intake manifold for leaks
  4. Check the operation of the fuel system and injectors
  5. If necessary, replace the oxygen sensor

Related codes

Error P1095 by Vehicle Brand

FAQ

What does the P1095 code mean?

P1095 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Circuit Slow Switching From Lean to Rich Bank 1 Sensor 1

What causes a P1095 error code?

The most common causes of P1095 include: Worn or dirty oxygen sensor; Problems in the sensor electrical circuit; Air leaks in the intake manifold; Fuel system malfunctions.

How do I fix a P1095 diagnostic trouble code?

To fix P1095: Check the condition of the oxygen sensor. Check the electrical circuit of the sensor for breaks and corrosion. Check the intake manifold for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1095?

Yes, but get it checked soon

How much does it cost to fix P1095?

The estimated repair cost for P1095 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat