P140A CHEVROLET – Exhaust Gas Recirculation Cooling Bypass Rationality

P140A CHEVROLET Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P140A CHEVROLET Possible Causes

Faulty Exhaust Gas Recirculation (EGR) Cooler Bypass Valve,Exhaust Gas Recirculation (EGR) Cooler Bypass Valve harness is open or shorted,Exhaust Gas Recirculation (EGR) Cooler Bypass Valve circuit poor electrical connection

P140A CHEVROLET Description

The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve. The PCM sets the OBDII code when the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve is not to factory specifications.