Hope you may have an answer, My 2005 ford focus the power will cut out and then right back on like you disconnected the battery then reconnected it, does it while driving. She also idles rough.
I would clean the throttle body, also change the air filter and a good tune up with a fuel filter change.
I agree for the rough idle, what do you think about the power cutting out, Im thinking its some type of power surge but not sure where to start.
Not sure try those thing above and see what happens...
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