P0270 OBD II Trouble Code Cylinder 4 Injector Circuit Low Code

Symptoms of P0270 OBD II Trouble Code

  • The check engine light will illuminate and code P0270 will set
  • The engine will run rougher than normal
  • A lack of power
  • A big drop in fuel economy will result

Common Causes of P0270 OBD II Trouble Code

  • Dirty fuel injector supplying the number four cylinder
  • Faulty fuel injector
  • Plugged fuel injector
  • Open or short in the fuel injector harness
  • Loose or corroded fuel injector connector