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View Full Version : Ford f250 diesel slows down and starts up on its own


ljaguilar
Jun 8, 2012, 05:28 PM
I have a 2004 Ford F250 Diesel with 100M+ miles. The engine misses and lunges--speeds up and slows down on its own. Very rough idle. Problem comes and goes. Dealership cannot find a problem--says it does not set a code. Dealer replaced injector module. Has anyone else had this problem?