P0132Medium Priority

O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)

Category: PowertrainFuel and Air Metering

8 articles · 3 makes affected

What is P0132?

Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 1). The upstream O2 sensor is constantly reading rich (high voltage), indicating sensor contamination or exhaust leaks.

Symptoms You May Notice

  • Check engine light
  • Poor fuel economy
  • Rich running condition
  • Black smoke from exhaust
  • Spark plug fouling

How to Fix It

  • Replace upstream O2 sensor ($100-$300, intermediate)
  • Repair exhaust leak ($150-$600, intermediate)
  • Check for vacuum leaks ($50-$200, beginner)

Root Causesfor P0132

Based on 1 owner reports

Things to Check

Suggested areas to investigate based on similar cases

root cause

Owner Statistics

Based on 73,772 real owner discussions • 1677 confirmed solutions

Dataset (73,772 records)
$2,117
Average Repair Cost
2%
Success Rate
20%
DIY Repairs
73,772
Data Sources

About This Data

Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.

Frequently Appears With

These codes often appear together in owner reports. Check these if you see P0132.

Based on analysis of 10 owner reports where multiple codes appeared together.