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P0170 — Fuel Trim (Bank 1)

General fuel trim malfunction on bank 1.

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

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Common symptoms of P0170

Common causes of P0170

Repair cost & difficulty

Typical cost to fix P0170: $50-$500 · Difficulty: Medium

Pro tip: This is a general fuel trim code. More specific codes (P0171 rich/P0172 lean) usually accompany it.

Vehicles commonly affected

All makes

Related trouble codes

P0171P0172P0173

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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.