Code P0405 Mazda Protege

03-15-2009, 11:07 PM
i have taken the egr valve off and cleaned it there was no carb build up i even cleaned the top hole where the vacum tube goes to on the egr valve and also the ports going in the manifold i have no idea what the deal is with it... Does any one have any idea's??? I thank you

03-20-2009, 06:14 PM
Year and engine dx/lx/es?

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