P1921
OBD Code P1921
1 articles · 1 makes affected
Owner Statistics
Based on 52 real owner discussions • 4 confirmed solutions
$4,030
Average Repair Cost
8%
Success Rate
9%
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.