Engine management light illuminated after brake change

I changed the brake pads on a Mazda6 2008 2.0d sport and after this the engine management light came on. Would this have anything to do with changing the pads or is it sumthing else? It has 72,000 miles on the clock.

Asked on 14 February 2013 by ducky

Answered by Honest John
You might have disturbed something else, but I doubt it. Think coincidence.
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