Diagnostic trouble codes P0120, P0121, P0122, P0123, and P0124 are what will commonly appear.
#U 460 ford diagnostic code code
Using a code reader, you should be able to confirm whether a faulty TPS is the culprit or a different component. This is often the first ever symptom of a bad TPS. The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling. Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS.Īt idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. The reason this happens is that the ECM doesn’t get correct information from the TPS as to how much to throttle the car. What makes diagnosing it tricky is that the bucks and jerks may be completely random and not even occur for some stretches of time. These jerks can be experienced during hard acceleration or when under moderate load. Jerking or bucking of the vehicle is the most common symptom of a bad TPS. In most of the cases, all of these symptoms will show together making it easier to detect the faulty component. See Also: Drive By Wire Throttle Working Principle Top 6 Bad Throttle Position Sensor SymptomsĪ faulty throttle position sensor sends incorrect information to the ECM resulting in various issues in the engine, its performance, and fuel economy.īelow are common symptoms of a faulty TPS. But now in the technological age, the car’s computer controls when the throttle opens and closes by the feedback it gets about the acceleration of the vehicle. In the old days, there used to be a cable that was connected from the throttle to the accelerator. So anytime you step on the gas pedal to accelerate your vehicle, the computer sends this information to the sensor so that the throttle knows how much fuel to let flow into the engine.
#U 460 ford diagnostic code driver
This information contains the actions of the driver such as accelerating, power steering and so forth. The throttle position sensor is what monitors the throttle position from the shaft.īasically, this sensor is connected to a computer inside the vehicle which shares information sent by the driver. It senses the air, heat, and light, and sends the information to the ECM which adjusts the throttle and fuel supply accordingly.Īll vehicles have something called a “throttle” which controls how much fuel is allowed to flow into the engine. The primary purpose a throttle position sensor (TPS) is to give information to the car’s computer about the throttle.
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