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Automotive glossary

Throttle Adaptation (Throttle Relearn)

Throttle adaptation teaches the engine control unit the closed and open positions of an electronic throttle body.

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What is Throttle Adaptation (Throttle Relearn)?

It is needed after cleaning or replacing the throttle body. Some cars do it automatically with a key-on procedure. Others need a scan tool function. Disconnecting the battery may also require adaptation on some cars.

How it works

The control unit moves the throttle to its end stops and stores the sensor values.

Why it matters for your car

Skipping adaptation can cause high or unstable idle and warning lights. Follow the exact procedure, including engine temperature and waiting times.

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