Fault codes › P0266

P0266

Cylinder 2 Contribution/Balance Fault

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

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See P0266 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0266 means

  • The fault code P0266 indicates that there is an issue with cylinder 2's contribution or balance. This may cause the engine to run poorly or not start at all.

!Possible symptoms

  • Engine runs poorly or not at all
  • Illuminated check engine light
  • Rough idle or stalling
  • Reduced engine power or acceleration

?Possible causes

  • Malfunctioning fuel injector in cylinder 2
  • Clogged fuel injector in cylinder 2
  • Faulty fuel pressure regulator
  • Malfunctioning cylinder compression
  • Faulty engine control module (ECM)

⚙Related parts

  • Fuel Injector:

✓Possible solutions

  • Replace the fuel injector in cylinder 2
  • Clean or replace any clogged fuel injector in cylinder 2
  • Replace the fuel pressure regulator
  • Repair any damage to cylinder compression
  • Replace the engine control module (ECM) if necessary
Free on OBD DashX

P0266 on OBD DashX

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