P1688 Metering Oil Pump Stepping Motor Circuit Malfunction
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1688 Information for specific makes P1688 DODGE
Tag: P1688
P1688 DODGE Speed Ctrl Power Relay; or S/C 12v Driver CKT
P1688 DODGE – Speed Ctrl Power Relay; or S/C 12v Driver CKT