P1128Medium Priority
Upstream Heated O2 Sensors Swapped
Category: Powertrain• Fuel and Air Metering (Manufacturer Specific)
Based on 112 owner reports
Owner Statistics
Based on 176 real owner discussions • 13 confirmed solutions
$196
Average Repair Cost
7%
Success Rate
57%
DIY Repairs
112
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.
Issues by Vehicle
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Reference Information Only
This is a general OBD-II code reference. We're actively collecting real owner experiences and repair data for this code. Check back soon for vehicle-specific troubleshooting guides.