Engine-Codes - Generic - P1175

P1175 - Fuel Trim Cylinder Balance Bank 2

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1175 Possible Causes

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

How do I fix code P1175

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Tech Notes

The sometimes is triggered by clogged fuel injectors. Start by using high octane fuel and/or fuel additive to clean injectors. If problem persists fuel injectors may need to be replace.

Cost of diagnosing the P1175 code

Labor: 1.0

The cost of diagnosing the P1175 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1175 Meaning

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.

P1175 More Information

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