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Automotive/2004 chevrolet impala LS

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Question
Security light comes on, traction light comes on, rpm's drop to 0, gas drops to 0  Radio cuts off, service traction control system message comes on, battery light flashes while driving it cuts on and off as I drive.  when I hit the brakes it sometimes cuts on also if I hit a bump. Ive had this problem for a while but it will go away for a couple months than it come back.

Answer
This is a major problem,as you have noticed,not one thats easy to diagnose.I would say this is a dealer or shop problem as i would be guessing.I do not want to send you the wrong way as there are so many reasons for this i would not know where to start.

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Sean Halliday

Expertise

general auto repair,japanese,bmw,mercedes,mini cooper 1960/2009,general british cars,ford.I DO NOT work on automatic transmissions.Manual transissions i install clutches only.Many people ask me to diagnose noises from their cars,unfortunately i cannot do this unless i hear it.As you appreciate,vehicles can and will make a variety of noises.I DONT UPGRADE or fit aftermarket performace kits,parts,chips,only replacement parts.

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40 years experience on all general auto repair.

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