U1018 DTC For Ford Freestar

Ford Freestar Engine Specifications:
Engine Type :Single Cylinder Engine
Cylinder Type :Opposite Piston Engine
Engine Air Intake Process :Naturally Aspirated

Your Ford Freestar engine control system detects a problem, the computer stores the diagnostic trouble code U1018 in its memory. To figure out what is wrong with your vehicle you must first extract the U1018 DTC For Ford Freestar.

Another consequence of U1018 Ford Freestar engine overheating may be a blown head gasket. Heat makes aluminum swell almost three times faster than cast iron. Thermal stress can distort the head and make it swell in areas that are hottest like those between exhaust valves in adjoining cylinders, and areas that have restricted coolant flow like the narrow area that separates the cylinders. The typical aluminum head swells most in the middle, which can crush the head gasket if the head gets too hot. This will usually cause the head gasket to leak compression between adjacent cylinders, or leak coolant into the cylinders.

U1018 Ford Freestar DTC Meaning

U Network Code - Problem is climate control system, lighting, airbags, etc.
1 MFG - Manufacturer Specific
0 Transmission
1 IC Circuit High Voltage
8 Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

If your vehicle failed a U1018 Ford Freestar test and the U1018 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses U1018 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look U1018 DTC For Ford Freestar: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.

U1017 DTC (Previous DTC Code) ( Next DTC Code ) U1019 DTC
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The listed Ford models will give information about U1018 DTC.