Other manufacturers sometimes use an alternating pattern in the V-engines. In the V-6 configuration, cylinder 4 is at the front right of the engine and in a V-8, cylinder number 5 is in that location. In the V-engine design, Ford follows a similar design with the number one cylinder at the front left of the engine. In-line Ford engines, along with those of most other manufacturers, begin the numbering of cylinders at the front and proceed in numerical order toward the back. Some shops are reporting corrosion on the fuel pump ground that reduces power and fuel pressure.Īccelerator Pedal Position Sensor 1 Circuit Low and P2127 - Accelerator Pedal Position Sensor 2 Circuit Low would lead you to suspect a defective accelerator pedal position sensor. The remaining letters represent various factory modifications. The number is the year in that decade-1964. Or, you can start on the electrical side by doing a voltage drop on both the power and ground connections for the fuel pump. For the engine number C4AE, Fords system is decoded as follows: 'C' represents the decade manufactured, in this case, the 1960s (D for the 1970s, E for the 1980s, etc.). With U029F code so start with the basics like a fuel pressure and fuel volume test. 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. U029F OBD2 reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem.
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