P20D6 - Exhaust Aftertreatment Fuel Injector 'B' Stuck Closed

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

Possible causes

  • Faulty Exhaust Aftertreatment Fuel Injector
  • Exhaust Aftertreatment Fuel Injector harness is open or shorted
  • Exhaust Aftertreatment Fuel Injector circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P20d6 Description

The exhaust fuel addition injector assembly is mounted on the outlet of the turbocharger sub-assembly, and low-pressure fuel is supplied to the exhaust fuel addition injector assembly by the feed pump in the supply pump assembly. The exhaust fuel addition injector assembly adds fuel by a control signal from the Engine Control Module (ECM). This injector is used for two different controls: Particulate Matter (PM) forced regeneration and PM reduction.
OBDII Code P20d6 - Exhaust Aftertreatment Fuel Injector 'B' Stuck Closed - AutoCodes.com

Need more help?

Get the P20d6 code diagnosed by a professional: Find a repair shop in your area

Related Information

P20D6 Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P20d6 code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧