Fault codes › P0201

P0201

Injector Circuit Malfunction Cylinder 1

Generic code Injector Circuit High severity Hard repair
Free on OBD DashX

Want real-world data on P0201?

See which problems come with P0201, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P0201 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0201 means

  • The fault code P0201 indicates that there is an issue with the circuit that controls the fuel injector for cylinder 1. This may cause a variety of issues with engine performance.

!Possible symptoms

  • Rough idle or stalling
  • Reduced engine power or acceleration
  • Misfires or hesitation during acceleration
  • Illuminated check engine light
  • Engine may not start

?Possible causes

  • Failed fuel injector for cylinder 1
  • Faulty wiring or connections in the circuit
  • Loose or corroded electrical connections
  • Failed engine control module (ECM)
  • Failed fuel pump
  • Failed fuel pressure regulator
  • Clogged fuel injector

⚙Related parts

  • Fuel Injector:

✓Possible solutions

  • Replace the fuel injector for cylinder 1
  • Check and repair any damaged wiring or connections
  • Tighten or clean any loose or corroded electrical connections
  • Replace the engine control module (ECM) if necessary
  • Replace the fuel pump if necessary
  • Replace the fuel pressure regulator if necessary
  • Clean or replace the clogged fuel injector
Free on OBD DashX

P0201 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0201 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.