Ford Ranchero U228A Code:

OBD-II Diagnostic Network (U) Trouble Code

Trouble In Ford Ranchero U228A Possible Cause

To know real cause of Ford Ranchero U228A based of if this code is present in your two-wheel drive vehicle, suspect a faulty PCM or programming error. In most four wheel drive applications the four-wheel drive switch is used to switch between two and four wheel drive operation, as well as between low and high ranges

Common Symptoms For Ford Ranchero U228A

  1. If the code immediately returns, check for reference voltage and ground signals at the input/output speed sensors
  2. As the input shaft is turned (by the engine) the electro magnetic input/turbine speed sensor uses the spaces between the splines to provide voltage signal interruptions in the circuit
  3. Many vehicle applications utilize an electronically controlled valve in the automatic transmission cooler lines to regulate the flow of fluid to the cooler itself
  4. Several tools will be instrumental in successfully diagnosing this code

Similar Problems

Fuel And Air Metering
TP Sensor Learn Not Complete
TFP Valve Position Switch-Drive Without Drive Ratio

Ford Ranchero U228A Troubleshooting

Having one of the signs of a bad gasket is usually not enough to prove a failure of a gasket, but multiple symptoms are most likely the result of gasket failure. It is advisable to have the vehicle driven as little as possible whenever the symptoms occur. Depending on the symptoms, either have the gasket replaced or repaired.
The cost of replacing a gasket usually varies from one mechanic to the other. Replacing a gasket is quite expensive in modern engines due to their location and the amount of labor that is required to replace them. Ford Ranchero U228A OBD2 reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.

How to turn off Ford Ranchero U228A check engine light ?

There are two ways to turn off the check engine light:

A repair technician can do so once repairs have been made.
The OBD II can automatically turn it off when it fails to detect the problem after several diagnostic cycles.

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