car died twice for no reason on 2005 Ford Focus

driving my car today my car slowly lost power until it came to a complete stop.i tighten up the battery cable and cleaned up the corrisive on connection. car started up and drove again for another 10 miles car slowly lost power again.this time the engine light came up.took car to auto zone and they diagnosed as a fuel rail pressure sensor.took car to midas and they cant find the problem.any ides?

by in Cincinnati, OH on April 02, 2010
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1 answer 1 comment
ANSWER by , April 02, 2010
Just guessing but I would have ignition module tested or replaced.This is farely easy to do,the module is located under coil packs.If that test good then the electric fuel pump is the next thing to look at.Both of these parts show signs of failure bye shuting down when car reaches normal temp and then allows car to start when it cools a little.
COMMENT by , April 03, 2010
thank you. midas came back and said it is the fuel pump.