P1663 Fuel Demand Command Signal Circuit Malfunction
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1663 Information for specific makes P1663 BUICKP1663 CADILLACP1663 CHEVROLETP1663 FORDP1663 GMCP1663 LEXUS
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1663 Information for specific makes P1663 BUICKP1663 CADILLACP1663 CHEVROLETP1663 FORDP1663 GMCP1663 LEXUS
P1663 CHEVROLET – Oil Life Lamp Control Circuit
P1663 FORD – Fuel Demand Command Signal Circuit Malfunction
P1663 GMC – Oil Life Lamp Control Circuit
P1663 LEXUS – OCV Circuit Malfunction Bank 2
P1663 BUICK – Oil Life Lamp Control Circuit
P1663 CADILLAC – Oil Life Lamp Control Circuit