P1134 - HO2S Transition Time Ratio Bank 1 Sensor 1

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

P1134 Possible Causes

  • Faulty HO2S Bank 1 Sensor 1
  • HO2S Bank 1 Sensor 1 harness is open or shorted
  • HO2S Bank 1 Sensor 1 circuit poor electrical connection

How do I fix code P1134?

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.
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Cost of diagnosing the P1134 code

Labor: 1.0

The cost of diagnosing the P1134 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P1134 Description

The Powertrain Control Module (PCM) monitors the Heated Oxygen Sensor (HO2S) activity. During the monitor period the PCM counts the number of times that the HO2S responds from rich to lean and from lean to rich and adds the amount of time it took to complete all transitions. With this information, an average time for all transitions can be determined. The PCM then divides the rich to lean average by the lean to rich average to obtain a ratio.
OBDII Code P1134 - HO2S Transition Time Ratio Bank 1 Sensor 1 - AutoCodes.com

More Information

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