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P0173 — Fuel Trim (Bank 2)

General fuel trim malfunction on bank 2.

Severity: MediumRepair: $50-$500Difficulty: Medium

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Common symptoms of P0173

Check engine light
Poor economy

Common causes of P0173

O2 sensor issue
MAF problem
Vacuum leak
Fuel delivery

Repair cost & difficulty

Typical cost to fix P0173: $50-$500 · Difficulty: Medium

Pro tip: Same as P0170 for bank 2.

Vehicles commonly affected

V6/V8 engines

Related trouble codes

P0174 P0175 P0170

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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.