Description
OBD-II Trouble Code Description for P0257 Isuzu
Injection Pump Fuel Metering Control “B” Range/Performance (Cam/Rotor/Injector)
What does this mean?
OBD2 Code P0257 Isuzu 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 Isuzu
– Engine Light ON (or Service Engine Soon Warning Light)
Causes
Possible causes of OBD code P0257 Isuzu
– 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 Isuzu:
2011 Isuzu Rodeo 3.0 Denver,2008 Isuzu Pickup,2007 Isuzu Ascender,2002 Isuzu Axiom XST Concept,2002 Isuzu Axiom XSR Concept,2001 Isuzu Zen Concept,2001 Isuzu GBX Concept,2001 Isuzu Axiom XSF Concept
Note:
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