Service and Repair Manual September 2016Ford MSG-425 Engine Fault Codes136 GS-84 • GS-90 Part No. 1272222Code Description301 Emissions/catalyst damaging misfire302 Emissions/catalyst damaging misfire303 Emissions/catalyst damaging misfire304 Emissions/catalyst damaging misfire305 Emissions/catalyst damaging misfire306 Emissions/catalyst damaging misfire307 Emissions/catalyst damaging misfire308 Emissions/catalyst damaging misfire326 Knock 1 Excessive Signal327 Knock 1 sensor Open331 Knock 2 Excessive Signal332 Knock 2 sensor Open336 Crank sync noise337 Crank loss341 Cam sync noise342 Cam loss420 Gasoline cat monitor430 Gasoline cat monitor524 Oil pressure low562 Battery Voltage Low563 Battery Voltage High601 Flash checksum invalid604 RAM failure606 COP failure615 Start relay coil open616 Start relay control ground short617 Start relay coil short to power627 Fpump relay coil open628 FPump motor loop open or high-side shortedto ground628 Fpump relay control ground short629 FPump motor high-side shorted to power629 Fpump relay coil short to powerCode Description642 5VE1 low voltage643 5VE1 high voltage650 MIL open652 5VE2 low voltage653 5VE2 high voltage685 Relay Coil Open686 Relay Control ground short687 Relay coil short to power1111 Fuel rev limit1112 Spark rev limit1121 FPP1/2 simultaneous voltages out of range1122 FPP1/2 do not match each other or the IVS1151 CL high LPG1152 CL low LPG1153 CL high NG1154 CL low NG1155 CL high gasoline bank11156 CL low gasoline bank11157 CL high gasoline bank21158 CL low gasoline bank21161 AL high LPG1162 AL low LPG1163 AL high NG1164 AL low NG1165 LPG cat monitor1166 NG cat monitor1171 Megajector delivery pressure higher thanexpected1172 Megajector delivery pressure lower thanexpectedFor further engine fault code troubleshooting anddiagnostic information, refer to the Ford MSG-425EFI Diagnostic Manual (EDI part number1080030).Ford MSG-425 EFI Diagnostic ManualGenie part number 162067