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P2198 — O2 Sensor Signal Biased/Stuck Rich (Bank 2 Sensor 1)

Bank 2 upstream O2 sensor stuck reading rich.

Severity: MediumRepair: $80-$400Difficulty: Easy

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Common symptoms of P2198

Common causes of P2198

Repair cost & difficulty

Typical cost to fix P2198: $80-$400 · Difficulty: Easy

Pro tip: Fix rich condition before replacing sensor.

Vehicles commonly affected

V6/V8 engines

Related trouble codes

P0152P0175P2196

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.