Throttle Body + EGR Cleaning - Seat Leon 1m / Golf 4 / Toledo 2 / Bora (code AZD & BCB)
In this tutorial I will show you how to clean the throttle body and EGR valve on the 1.6 16v engine (codes AZD & BCB). You can use this tutorial for Seat Leon 1m, Toledo 2, Vw golf 4 & Bora. You don't need to calibrate the throttle body after installing it back. But the battery must be disconnected the entire time you're working on the throttle body & EGR valve. Don't move the butterfly valve! If you move it, you may need to calibrate it with a VAG Com interface.
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