It came up with fault code P0122. According to the internet: A P0122 code means that the the car's computer has detected that the TPS (throttle position sensor) is reporting too low a voltage. On some vehicles that lower limit is 0.17 - 0.20 volts (V).

Turn the ignition key to the On position, but don't start the engine. Touch the DMM black lead to ground. This can be a clean surface on the engine, a metal bracket, or the battery negative (-) post. Touch the DMM red lead to each of the sensor wires on the harness connector you just unplugged.

I'm saying its a 1.6 as that means the CHT is located between no 2 and 3 spark plugs. I now have the old one out but I can't find a socket that will go over the new sensor. It is a 19 mm bolt but the plug on top of the bolt won't allow a deep socket to go over it. Hi, I have All new Ford fiesta 1.5 titanium TDCi.(India) My car is flashing red dot in dashboard . Car is not starting. But some times it starts. I tried with both key , but results are same. Now how to start the car. (Car dealership is far away from the car location) Reply The starter motor will obviously be located in correspondence with the engine compartment, approximately in the center. In order to remove it, it will be necessary to disconnect the connectors connected to it and loosen the bolts that secure it to its housing.
We disassemble the exhaust connector, then, disconnect the terminals of the starter motor power supply with a pliers or screwdriver depending on the pressure of the tabs, unscrew with a socket wrench the locking pins that tighten the starter motor and remove the same from the engine compartment. Finally we assemble the new ignition motor with
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ford fiesta 1.6 tdci starter motor location