P2099 Moderate Powertrain

Post Catalyst Fuel Trim System Too Rich (Bank 2)

Common Causes

Failed Bank 2 downstream O2 sensor
Degraded Bank 2 catalytic converter

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Quick Info

Code P2099
System Powertrain
Severity Moderate

Disclaimer

This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.

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