P0628 Chevrolet Low Voltage Detected At The Fuel Lift Pump

Possible causes

– Faulty Fuel Lift Pump
– Fuel Lift Pump harness is open or shorted
– Fuel Lift Pump circuit poor electrical connection

Tech description

Usually the solution to the problem is the fuel lift pump

What about the obd code?

– Engine Light ON (or Service Engine Soon Warning Light)

P0628 Chevrolet Description

The commanded signal to the fuel lift pump does not match the feedback signal