Common Honda OBD Codes
Honda engines are durable but often see catalytic converter efficiency codes, lean fuel mixture issues, and VTEC solenoid problems. Misfires and oxygen sensor failures are common on Civics and Accords with over 100k miles.
Most Common Honda Diagnostic Codes
Catalyst System Efficiency Below Threshold
Typical cost: $200 - $2500
System Too Lean (Bank 1)
Typical cost: $75 - $1200
Random/Multiple Cylinder Misfire Detected
Typical cost: $100 - $2500
Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
Typical cost: $100 - $350
Coolant Thermostat Below Thermostat Regulating Temperature
Typical cost: $50 - $400
Exhaust Gas Recirculation Flow Insufficient
Typical cost: $100 - $800
Idle Air Control System Malfunction
Typical cost: $50 - $400
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
Typical cost: $50 - $350
Cylinder 2 Misfire Detected
Typical cost: $50 - $1200
Oxygen Sensor Slow Response (Bank 1, Sensor 1)
Typical cost: $100 - $400
Popular Honda Models
The codes listed above are commonly reported across these Honda models. Actual codes may vary by model year and engine type.
Recent Honda Recalls
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An OBD-II scanner lets you read and clear diagnostic trouble codes from your vehicle's computer. Most scanners work with any car made after 1996.
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