Mazda P0257 Injection Pump Fuel Metering Control B Range / Performance (Camshaft / Rotor / Injector)

Description

OBD-II Trouble Code Description for P0257 Mazda

Injection Pump Fuel Metering Control “B” Range/Performance (Cam/Rotor/Injector)

What does this mean?

OBD2 Code P0257 Mazda 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 P0257 Mazda
– Engine Light ON (or Service Engine Soon Warning Light)

Causes

Possible causes of OBD code P0257 Mazda
– 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 Mazda:

2013 Mazda MX-5,2013 Mazda CX-9,2013 Mazda CX-5,2013 Mazda 6,2013 Mazda 5,2013 Mazda 3,2012 Mazda CX-5,2012 Mazda BT-50,2012 Mazda 3,2011 Mazda 6,2011 Mazda 5,2011 Mazda 2,2010 Mazda CX-7,2010 Mazda 3,2009 Mazda RX-8,2009 Mazda MX-5,2009 Mazda CX9,2009 Mazda 6,2009 Mazda 2,2008 Mazda MX-5,2008 Mazda 6,2008 Mazda 5,2008 Mazda 2,2007 Mazda CX-9,2007 Mazda CX-7,2006 Mazda MX5,2006 Mazda 6,2006 Mazda 3,2005 Mazda Atenza,2005 Mazda 6,2004 Mazda MPV,2004 Mazda 6,2004 Mazda 5,2004 Mazda 3,2003 Mazda RX-8

 

Note:

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