P0416Mini CooperYears: 1996 - 2026
Secondary Air Injection System B Flow Low
What does this mean?
Code P0416 indicates a problem with the secondary air injection system. This system pumps fresh air into the exhaust stream during cold starts to help the catalytic converter reach operating temperature faster.
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Mini Cooper models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
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Common Causes
DB.cause_sensor
DB.cause_vacuum
DB.cause_wear
Symptoms to Watch For
- Check Engine Light is illuminated
- DB.symp_engine_perf
- DB.symp_fuel_econ
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Repair Estimate
$100 - $450
Includes parts and labor. May vary by location.
DIY Difficulty
Moderate