P0266 OBD II Trouble Code Cylinder 2 Contribution/Balance Code

Symptoms of P0266 OBD II Trouble Code

  • Check engine light on and code P0266 set
  • Reduced power and acceleration
  • Rough idle
  • Drop in fuel economy

Common Causes of P0266 OBD II Trouble Code

  • Possible defective electrical connector on the fuel injector due to corrosion of the terminals or pushed out pins
  • Dirty or clogged fuel injector
  • Fuel injector failure