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About a week or so ago I had posted about my 2001 GMC Sonoma stalling and not starting. It is now still awaiting fuel pump replacement as we are positive that is what it is. Another issue that I have with it is something in the front end it seems. When you are driving you acts normal with no issues. When you apply the brakes and slow down at any time the brake pedal “throbs” and you can feel it. It acts like it is going over small speed bumps. I have changed brake pads, rotors, calipers, tires where changed before this winter. One person told me it could be the speed sensor but it doesnt do anything at speed while driving only when you apply the brakes. The lines have been checked and bled. The brakes act fine and stop very well. Recently ball joints were done and it didnt do that before that was done but my neighbor who has done those said he doesnt think that would do that and has ridden in the truck with me and can feel it just riding in it too when i use the brakes and heard the thump it makes too that you can feel in the pedal. Any idea what this could be. Could the axle on the one side that is the only thing I not sure if the mechanic tried looking at. It also comes from the passenger side. driver seems “normal”
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