OBD fault code library

Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.

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P1236 Fuel Pump Control Out of Range
Ford Injector Circuit High severity
P1239 Speed Fuel Pump Positive Feed Fault
Ford Injector Circuit High severity
P1243 Second Fuel Pump Faulty or Ground Fault
Ford Injector Circuit High severity
P1247 Turbo Boost Pressure Low
Ford Injector Circuit High severity
P1250 Lack Of Power To Fuel Pressure Regulator Control Solenoid
Ford Fuel and Air Metering High severity
P1255 Pedal Correlation PDS2 and LPDS Low
Ford Vehicle Speed and Idle Control System Low severity
P1260 Theft Detected - Engine Disabled
Ford Computer Output Circuit High severity
P1265 Cylinder 5 High To Low Side Short
Ford Injector Circuit High severity
P1269 Injector 4 Implausible Signal
Ford Injector Circuit High severity
P1271 Cylinder 1 High To Low Side Open
Ford Injector Circuit High severity
P1275 Cylinder 5 High To Low Side Open
Ford Injector Circuit High severity
P1279 Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response
Ford Fuel and Air Metering High severity
P0049 Turbocharger/Supercharger Turbine Overspeed
Generic Injector Circuit High severity
P1285 Cylinder Head Over Temperature Condition
Ford Injector Circuit High severity
P1288 Cylinder Head Temperature Sensor Out of Self-Test Range
Ford Injector Circuit High severity

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