Roush Gen 1 Sputter on Start up

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EZDA45

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Hey all,

Been making lots of posts lately just trying to get my new gen 1 all sorted out so I can start enjoying it like I did my last one! Everyone on here are great help. So my roush has been having this issue on start up since temperatures have gotten below freezing up here in northwest Wyoming. After sitting for awhile it will stutter and chug on start up(I’ll attach video, sometimes worse or better start up) pretty religiously. For reference I just recently did a full tune up, new battery, and cleaned all of the MAF sensors that I’m aware of. It was doing this before all of these things were done as well. I haven’t noticed any vacuum leaks from where I’ve looked either. Any help would be appreciated, planning on getting a better tune for it soon as well.
 

pcs

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does the stuttering go away after it warms up? how cold has the weather been in your area and are you using a block heater?
 

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