CC
CarCodeFix
P0155Medium Priority

O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

Category: Powertrain• Fuel and Air Metering

20 articles · 2 makes affected

DIY Diagnostic Guide

Step-by-step checklist with tools and expected values

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Owner Data Insights

Frequently Appears With P0155

These codes often appear together in owner reports. Check these if you see P0155.

Based on analysis of 8 owner reports where multiple codes appeared together.

Owner Statistics for P0155

Based on 18 real owner discussions • 4 confirmed solutions

Dataset (18 records)
22%
Success Rate
18
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.

P0155 Issues by Vehicle

FORD

2010 Expedition

2010 Ford Expedition Slipping: How to Diagnose and Fix It

100 sources
2020 Mustang

2020 Ford Mustang Intake Manifold Leak? Here's How to Fix It

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2020 Mustang

Why Your 2020 Ford Mustang Keeps Blowing Fuses

112 sources
2020 Mustang

How to Fix a 2020 Ford Mustang Intake Manifold Coolant Leak

245 sources
2010 Mustang

2010 Ford Mustang Head Gasket Replacement: Symptoms, Diagnosis, and Repair

161 sources
2010 Mustang

2010 Ford Mustang Stalling? How to Fix Throttle Body Issues

59 sources
2020 Mustang

2020 Ford Mustang Control Arm Issues? Here's How to Fix It

213 sources
2020 Mustang

Stop the Clicking: How to Diagnose and Fix Mustang Relay Problems

144 sources
2010 Mustang

2010 Ford Mustang Throttle Body Problems? PCV Valve Fix Guide

91 sources
2020 Mustang

2020 Ford Mustang Fuse Keeps Blowing: What To Do

230 sources
2010 Mustang

My 2010 Ford Mustang Misfires After Clutch Replacement - How to Fix It

84 sources
2010 Mustang

How to Fix Cam Phaser Clicking Noise on Your 2010 Ford Mustang

230 sources
2010 Mustang

How to Diagnose and Fix 2010 Mustang Control Arm Problems

112 sources
2010 Mustang

Why Your 2010 Mustang Cranks But Won't Start (MAF Sensor Guide)

134 sources
2010 Expedition

Why Your 2010 Ford Expedition Hesitates When Accelerating

100 sources
2020 Mustang

Fixing 2020 Mustang Oil Consumption and Intake Manifold Upgrades

672 sources