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Twingo Discussions by Generation
Twingo Renaultsport 133
Buzzing noise on twingo gt! help!
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<blockquote data-quote="singlespeed" data-source="post: 175784" data-attributes="member: 264"><p>Electronic throttle body. Within that, theres your throttle butterfly to regulate the airflow into the engine.</p><p></p><p>To open and close the butterfly, theres an electric motor which is powered by a signal from the ECU (spring pressure also closes it so its more fail safe). To ensure the throttle opens the correct amount required by your foot on the throttle pedal, theres a couple of potentiometers that send a voltage back to the ECU which then works out if the throttle position is correct for the load. </p><p></p><p>If the butterfly is stiff to move or stuck, the motor will be constantly trying to move it to where it should be. Which may account for the buzzing and running problems</p></blockquote><p></p>
[QUOTE="singlespeed, post: 175784, member: 264"] Electronic throttle body. Within that, theres your throttle butterfly to regulate the airflow into the engine. To open and close the butterfly, theres an electric motor which is powered by a signal from the ECU (spring pressure also closes it so its more fail safe). To ensure the throttle opens the correct amount required by your foot on the throttle pedal, theres a couple of potentiometers that send a voltage back to the ECU which then works out if the throttle position is correct for the load. If the butterfly is stiff to move or stuck, the motor will be constantly trying to move it to where it should be. Which may account for the buzzing and running problems [/QUOTE]
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Twingo Discussions by Generation
Twingo Renaultsport 133
Buzzing noise on twingo gt! help!
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