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P0203 — Injector Circuit — Cylinder 3

Cylinder 3 fuel injector circuit fault.

Severity: HighRepair: $100-$400Difficulty: Medium

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Common symptoms of P0203

Common causes of P0203

Repair cost & difficulty

Typical cost to fix P0203: $100-$400 · Difficulty: Medium

Pro tip: On V6 engines, cylinder 3 wiring can be in a tight spot.

Vehicles commonly affected

All makes

Related trouble codes

P0200P0303

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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.