AutoCodes – Generic – P1175

P1175 Code - Fuel Trim Cylinder Balance Bank 2

Quick Answer

The Fuel Trim Cylinder Balance diagnostic detects a rich or lean cylinder to cylinder air/fuel ratio imbalance in each bank. Common causes include Clogged Fuel Injectors, Faulty Oxygen sensor, Ignition problem. 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
P1175 indicates Fuel Trim Cylinder Balance Bank 2.
Common causes
Common causes include Clogged Fuel Injectors, Faulty Oxygen sensor, Ignition problem.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 45,662
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on May 16, 2019
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Code P1175 Description

The Fuel Trim Cylinder Balance diagnostic detects a rich or lean cylinder to cylinder air/fuel ratio imbalance in each bank. The diagnostic monitors the pre-catalyst heated oxygen sensor (HO2S) signal's frequency and amplitude characteristics by calculating an accumulated voltage over a predetermined sample period. An imbalance is indicated when multiple samples of the accumulated voltage are consistently higher than the desired value.
OBDII Code P1175 - Fuel Trim Cylinder Balance Bank 2 - AutoCodes.com
P1175 Code - Fuel Trim Cylinder Balance Bank 2

What are the Possible Causes of the DTC P1175?

  • Clogged Fuel Injectors
  • Faulty Oxygen sensor
  • Ignition problem
  • Fuel injection problem
  • Engine mechanical condition

How to Fix the DTC P1175?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1175 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.

Need more information about the P1175 code?

Need more information on how to fix the P1175 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1175 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 P1175 Code

1. What are common symptoms of OBDII code P1175 (Fuel Trim Cylinder Balance Bank 2)?

- Common symptoms include rough idling, decreased fuel efficiency, and engine misfires.

2. What are the possible causes of OBDII code P1175?

- Potential causes may include a vacuum leak, faulty oxygen sensor, issues with the fuel injectors, or a problem with the exhaust system.

3. How does OBDII code P1175 affect engine performance?

- This code can lead to poor engine performance, reduced power, and potential engine stalling.

4. How can I diagnose OBDII code P1175?

- Diagnosis typically involves using an OBDII scanner to read the code, checking for related symptoms, and conducting a visual inspection for obvious issues such as leaks or damaged components.

5. What are some repair tips for addressing OBDII code P1175?

- Repair tips may include checking and repairing any vacuum leaks, replacing faulty oxygen sensors, cleaning or replacing fuel injectors, and ensuring proper functioning of the exhaust system.

6. Can I continue driving with OBDII code P1175?

- It is not recommended to continue driving with this code unresolved, as it can lead to further engine damage and potential safety hazards.

7. How much does it typically cost to repair OBDII code P1175?

- The cost of repairs can vary depending on the specific cause of the code, but it may range from a few hundred to a few thousand dollars, including parts and labor.

8. Will OBDII code P1175 cause my vehicle to fail an emissions test?

- Yes, this code can cause your vehicle to fail an emissions test due to increased emissions and potentially higher levels of pollutants being released.

9. How long does it take to repair OBDII code P1175?

- The repair time can vary based on the underlying issue and the expertise of the mechanic, but it may take anywhere from a few hours to a full day to address this code successfully.

10. Can OBDII code P1175 be triggered intermittently?

- Yes, this code can be triggered intermittently, especially if the issue causing the code is intermittent in nature, such as a sporadic vacuum leak or sensor glitch.

Discuss the causes and fixes for P1175 OBDII Code

  • code 1175 codes comes up on a 2008 saturn aura with 180,000 miles, looking online and it says a cam control fault, could this mean I need a new timing belt?

  • No. Could be a bad O2 sensor. We have updated the information for the P1175 code for Saturn:

    P1175 SATURN - Fuel Trim Cylinder Balance Bank 2

    Read more: https://www.autocodes.com/p11...

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