P0418Medium Priority
Secondary Air Injection System Relay A circuit Malfunction
Category: Powertrain• Auxiliary Emission Controls
4 articles · 2 makes affected
Owner Statistics
Based on 145,325 real owner discussions • 3556 confirmed solutions
$5,007
Average Repair Cost
2%
Success Rate
18%
DIY Repairs
145,325
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.