U0391 DTC For Ford Transit Courier
Ford Transit Courier Engine Specifications:
| Engine Type : | Single Cylinder Engine |
| Cylinder Type : | Opposite Piston Engine |
| Engine Air Intake Process : | Supercharged Engine |
Your Ford Transit Courier engine control system detects a problem, the computer stores the diagnostic trouble
code U0391 in its memory.
To figure out what is wrong with your vehicle you must first extract the U0391 DTC For Ford Transit Courier.
Another consequence of U0391 Ford Transit Courier 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.
U0391 Ford Transit Courier DTC Meaning
| U |
Network Code - Problem is climate control system, lighting, airbags, etc. |
| 0 |
SAE - Generic |
| 3 |
IC Module 4X Ref Circuit Intermittent, No Pulses |
| 9 |
TP Sensor Learn Not Complete |
| 1 |
PCM Stack Overrun |
If your vehicle failed a U0391 Ford Transit Courier test and the U0391 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 U0391 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 U0391 DTC For Ford Transit Courier: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.
You can also check other Ford car models :
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The listed Ford models will give information about U0391 DTC.
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