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Alinara [238K]
3 years ago
7

Technician A says that the fuel pump relay is usually controlled by the PCM. Technician B says that a TBI injector squirts fuel

above the throttle plate. Which technician is​ correct?
Social Studies
1 answer:
MrRa [10]3 years ago
6 0

Technician A & B both are correct.

Explanation:

A PCM stands for powertrain control module which is used in electronic fuel-injection system to control the working of fuel injectors. So, Technician A is correct. A TBI stands for throttle-body-injection which is used to inject the fuel into the air above the throttle plate of engine. That's why Technician B is also correct.

Fuel tank consists of electronic fuel pump. Computer control fuel pump relay and fuel-pressure regulator. Fuel pump speed is controlled by PCM. Technician B says that a TBI injector squirts fuel above the throttle into air at atmospheric pressure.

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