⚡ AUTO CODE FIX
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OBD2 Category

Exhaust Codes

Total Codes
2
Critical
0
Moderate
2
Minor
0
DIY Friendly
0
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2 Exhaust Codes
Sorted by severity
● Critical (0)● Moderate (2)● Minor (0)
P0421Moderate
Warm Up Catalyst Efficiency Below Threshold Bank 1
Aged or poisoned catalytic converter
⚠️ Pro · $500–$2000View details →
P0431Moderate
Warm Up Catalyst Efficiency Below Threshold Bank 2
Aged catalytic converter Bank 2
⚠️ Pro · $500–$2000View details →