Drive-By-Wire-or-Electronic-Throttle-Actuator

Mandy Concepcion
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Newer drive-by-wire systems operate on a fully electronic mode. These systems work by the ECM actuating a motor at the throttle body and using multiple TPS or throttle position sensors as a feedback loop. They're complex systems that require the attention of a modern technician to diagnose. See how they operate right here.

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