Welcome to our new sponsor Lecatona, a brand dedicated to enhancing performance for VAG group sports cars, including SEAT, Audi, Volkswagen and Škoda. Specializing in High Pressure Fuel Pump (HPFP) upgrades.
I didn't think to stop and check which Leon model you have and whether they are all fused the same way, as my sig says I have a 2010 FR CR170, maybe your fusebox is different. Did you look to see if the unit power lights went off? Obviously you can always disconnect the negative terminal of the battery.
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