P0050Medium Priority
Heated Oxygen Sensor (HO2S) Heater Circuit Bank 2 Sensor 1
Category: Powertrain• Fuel and Air Metering
1 articles · 1 makes affected
What is P0050?
Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 2 Sensor 1). Problem with the heater circuit for the upstream oxygen sensor on Bank 2 (typically passenger side on V-engines).
Symptoms You May Notice
- ●Check engine light
- ●Poor cold weather performance
- ●Increased emissions
- ●Rough idle when cold
How to Fix It
- ●Replace Bank 2 upstream O2 sensor ($100-$300, intermediate)
- ●Repair wiring harness ($150-$400, intermediate)
Owner Statistics
Based on 2,599 real owner discussions • 107 confirmed solutions
$1,947
Average Repair Cost
4%
Success Rate
38%
DIY Repairs
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 P0050.
Based on analysis of 8 owner reports where multiple codes appeared together.