GMC P0251 Injector Pump Fuel Metering Control A

Description

OBD-II Trouble Code Description for P0251 GMC

Injection Pump Fuel Metering Control “A” (Cam/Rotor/Injector)

What does this mean?

OBD2 Code P0251 GM definition:
The ECM detects a discrepancy between the Pulse-Width Modulation (PWM) supplied to the Electronic Fuel Control Actuator (FCA) and the PWM returned from the Electronic Fuel Control Actuator (FCA).

Symptoms

Possible sumptoms of OBD code P0251 GM
– Engine Light ON (or Service Engine Soon Warning Light)

Causes

Possible causes of OBD code P0251 GM
– Fuel Pump – FCA Driver Open – Return Circuit Open from FCA to ECM – FCA Driver Circuit Shorted to External Voltage – FCA Return Circuit Shorted to External V

Possible Solutions

The OBD2 Code Information Be Applicable For GMC:

2013 GMC Terrain Denali,2013 GMC Acadia,2011 GMC Sierra All Terrain HD Concept,2010 GMC Terrain,2010 GMC Granite Concept,2009 GMC Sierra Hybrid Crew Cab,2008 GMC Yukon Hybrid,2008 GMC Denali XT Concept,2007 GMC Yukon XL,2007 GMC Yukon Denali,2007 GMC Yukon,2007 GMC Sierra Denali,2007 GMC Sierra Classic,2007 GMC Sierra 3500 HD SLT Crew Cab,2007 GMC Sierra 2500 HD SLT Extended Cab,2007 GMC Sierra,2007 GMC Acadia,2005 GMC Sierra Denali 1500 Crew Cab,2005 GMC Graphyte Concept,2005 GMC Envoy XL Denali,2005 GMC Envoy Denali

Note:

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