P1423 EGI Functionality Test Failed
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1423 Information for specific makes P1423 BUICKP1423 CADILLACP1423 CHEVROLETP1423 GMC
Tag: P1423
P1423 GMC Intake Air High Pressure Switch Circuit High Voltage
P1423 GMC – Intake Air High Pressure Switch Circuit High Voltage
P1423 BUICK Intake Air High Pressure Switch Circuit High Voltage
P1423 BUICK – Intake Air High Pressure Switch Circuit High Voltage
P1423 CADILLAC Intake Air High Pressure Switch Circuit High Voltage
P1423 CADILLAC – Intake Air High Pressure Switch Circuit High Voltage
P1423 CHEVROLET Intake Air High Pressure Switch Circuit High Voltage
P1423 CHEVROLET – Intake Air High Pressure Switch Circuit High Voltage