Question about 1999 Ford Expedition
My 99 Expedition stutters and loses power when accelerating then I have to ease up on the gas, then start to accelerate again to overcome power loss. Two codes showed up when diagnostics were run: light fuel and heavy fuel errors. The mechanic had no clue. Not sure if its a cylinder mis-fire, spark plug etc...
My was doing the same thing, it was an EGR valve and a misfire on the #2 cylinder which required a new spark plug and a coil pack
Posted on Mar 13, 2009
Always start with the simple first, change out the spark plugs one of them could have a hairline crack that opens up whenever it gets hot. Next try plug wires, lastly the coils. My bet is on the coils.
Posted on Mar 06, 2009
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Posted on Jan 02, 2017
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