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P0204 — Injector Circuit — Cylinder 4

Cylinder 4 fuel injector circuit fault.

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

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Common symptoms of P0204

Common causes of P0204

Repair cost & difficulty

Typical cost to fix P0204: $100-$400 · Difficulty: Medium

Pro tip: Cylinder 4 on I4 engines is near the firewall and may have heat-related connector issues.

Vehicles commonly affected

All makes

Related trouble codes

P0200P0304

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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.