Engine Throttle Control Light

In the late 1980s drive by wire throttle control systems emerged. Electronic throttle control light is on in your car. Throttle control warning light etc symptoms info.

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In some instances the electric signal is disrupted whether due to a loose electrical wire a relay control issue or damage done to a sensor.

Engine throttle control light.

Why the throttle control light comes on. In engine by magnus sellén 17 august 2019 6 comments. The ecm is a type of electronic control unit ecu which is an embedded system that employs software to determine the required throttle position by calculations from data measured by other sensors including the accelerator pedal position sensors engine speed sensor vehicle speed sensor and cruise control switches. Almost all cars after 1990 were equipped with some kind of electronic computer that was supposed to control the functions of the car.

The throttle controller is controlled electrically as opposed to the older mechanical cables that ran from the throttle pedal to the throttle body. The electronic throttle control light comes on if there is a problem with this system. The engine light electronic throttle control light and stability control light come on the jeep runs very rough and will not accelerate. As soon as the car s onboard computer detects a problem with the throttle body it will cause the check engine light to illuminate.

To ensure specific safety measures are in place most often the computer will signal that a problem has occurred instantaneously. These systems replaced mechanical cable based throttles with sensors that sent signals from the gas pedal to the engine computer. After pulling over and turning the car off and back on the engine light stays on and the other lights go off but after driving a bit the problem occurs again. Engine throttle control warning light etc symptoms info.

The check engine light also comes on due to several other reasons which are why it is recommended to visit an auto specialist and have the car scanned for trouble codes. Very noticeable changes may occur such as low engine power stalling engine at stops or idling. When you depress the throttle pedal the etc receives an electrical signal and sends command actions to control the throttle s opening and closing. They re much more reliable than the old cable operated systems but things still can go wrong.