P126A GEO – Fuel Injector 1 Input Circuit Malfunction

P126A GEO Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P126A GEO Possible Causes

P126A GEO Possible Causes

P126A GEO Description

The Engine Control Module (ECM) monitors the Fuel Injector. The ECM sets the OBDII code when the Fuel Injector is not to factory specifications.