AutoCodes – BMW – P1179 BMW

P1179 BMW Code - O2 Sensor Signal Circuit Slow Switching From Rich to Lean Bank 2 Sensor 1

Quick Answer

P1179 BMW indicates O2 Sensor Signal Circuit Slow Switching From Rich to Lean Bank 2 Sensor 1. Common causes include Faulty O2 Sensor, O2 Sensor harness is open or shorted, O2 Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1179 BMW indicates O2 Sensor Signal Circuit Slow Switching From Rich to Lean Bank 2 Sensor 1.
Common causes: Common causes include Faulty O2 Sensor, O2 Sensor harness is open or shorted, O2 Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 6,132

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 16, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1179 BMW Description

OBDII Code P1179 BMW - O2 Sensor Signal Circuit Slow Switching From Rich to Lean Bank 2 Sensor 1 - AutoCodes.com — P1179 BMW Code - O2 Sensor Signal Circuit Slow Switching From Rich to Lean Bank 2 Sensor 1

What does this mean?

What are the Possible Causes of the DTC P1179 BMW?

Faulty O2 Sensor
O2 Sensor harness is open or shorted
O2 Sensor circuit poor electrical connection

How to Fix the DTC P1179 BMW?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1179 BMW code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1179 BMW Code

1. What are the common symptoms of OBDII code P1179 in a BMW?

- Common symptoms include poor fuel economy, rough idling, engine hesitation, and the illumination of the Check Engine Light.

2. What does the OBDII code P1179 indicating "O2 Sensor Signal Circuit Slow Switching From Rich to Lean Bank 2 Sensor 1" mean?

- This code indicates that the oxygen sensor in bank 2, sensor 1 of the BMW's exhaust system is responding slowly in switching between rich (high fuel) and lean (low fuel) air-to-fuel ratios.

3. What are the possible causes of OBDII code P1179 in a BMW?

- Possible causes include a faulty oxygen sensor, wiring issues in the oxygen sensor circuit, vacuum leaks, exhaust system leaks, or issues with the engine's fuel delivery system.

4. How serious is OBDII code P1179 in a BMW?

- While the code may not cause immediate harm to the vehicle, it can lead to decreased fuel efficiency and performance. Ignoring the issue may result in long-term damage to the engine or catalytic converter.

5. Can I continue driving my BMW with OBDII code P1179 present?

- It is not recommended to continue driving with this code present, as it can affect the vehicle's performance and fuel efficiency. It is best to address the issue promptly.

6. How can I diagnose and repair OBDII code P1179 in my BMW?

- Diagnosis involves inspecting the oxygen sensor, checking for wiring issues, and scanning for any other related trouble codes. Repair may involve replacing the oxygen sensor, repairing wiring, fixing leaks, or addressing fuel delivery issues.

7. Will resetting the Check Engine Light resolve OBDII code P1179 in my BMW?

- Simply resetting the Check Engine Light may temporarily clear the code, but it will not fix the underlying issue causing the code to trigger. It is important to diagnose and repair the problem to prevent it from recurring.

8. How much does it typically cost to repair OBDII code P1179 in a BMW?

- The cost of repair can vary depending on the specific cause of the code and the labor rates in your area. It may range from a few hundred dollars for a sensor replacement to more for complex repairs involving wiring or exhaust system issues.