Technical Definition:

Exhaust Gas Recirculation (EGR) (Sensor B) Circuit Low

Technical Description:

Possible Causes:

• Short to ground in EGR signal or Reference circuits
• Short to voltage in EGR ground or signal circuits
• Bad EGR valve
• Bad PCM wiring issues due to chafing or loose terminals

Possible Symptoms:

• MIL (Malfunction Indicator Lamp) illumination

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes: