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OBD-II Code

P0201 — Injector Circuit Malfunction Cylinder 1

General fault detected in injector circuit for cylinder 1

System Engine
Severity High
Safe to drive? Not recommended
Advanced scanner Yes

What does code P0201 mean?

General fault detected in injector circuit for cylinder 1

Common symptoms

  • Misfire
  • hesitation
  • power loss
  • unstable idle

Possible causes

  • Injector stuck open or closed
  • damaged wiring
  • loose connector
  • no PCM pulse control

Initial recommendation

Check injector resistance, wiring continuity and PCM signal.

Safety notice

This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine code P0201 with your vehicle's actual symptoms for more complete diagnostic guidance.

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