P2634 LINCOLN – Fuel Pump ‘B’ Control Circuit High

P2634 LINCOLN Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P2634 LINCOLN Possible Causes

Faulty fuel pump relay,Faulty fuel pump,Fuel pump harness is open or shorted,Fuel pump circuit poor electrical connection,Faulty fuel pump control module (if applicable)

P2634 LINCOLN Description

The Engine Control Module (ECM) monitors the Fuel Pump Control Circuit. The ECM sets the OBDII code when the Fuel Pump Control Circuit is out of factory specifications.