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Hey just been having some troubles with my 06 car would hesitate starting or have a rough idle when first started but would straighten up after shut off and restarted now it will stall out randomly when driving on the highway and accelerating hasn't been throwing any codes I have recently in stalled a new air filter and fuel filter then it was fine for a day now it is back to stalling out any ideas would be a big help
 

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Hmm. This is mostly a guess, but maybe the fuel pumps/injectors need replacing? Hopefully one of the other regulars can give a little more insight.
 

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One common problem with the 05-06 is the ignition coil pack that sits on top of the valve cover. If you have a scanner check for misfire counts on 2 cylinders. You won't have a code until a certain amount of misfires per startup.
 
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