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My 2013 when cold at start it revs up slightly and then idles down and sits around 1000rpms until it warms up and seems the thermostat opens up and then drops down to 500rpms and purrs nicely. But during the cold idle it seems to sputter alittle but seems to go away as it warms. I notice the 2 pools of water that collect underneath from the exhaust, one puddle comes from a tube right below drivers seat and other comes from the cat exhaust weep hole, would u say that the engine is pushing the collected water out of the exhaust and once out it idles smooth. Does anyone else have this with there Ecoboost?
the spitting and sputter only happen at first start up as cold engine starts to warm. It seems as soon as the RPM's drop down to 500 rpms then it stops for the most part and off i go. Being winter i let it warm up until it drops in rpms, almost like the thermostat opens up and she is ready to drive. I also notice that until the trans temp gets to 105degrees she will slide nicely into 5th or 6th, i am usually doing about 50mph. I wish my dash gauge would show the gears like previous models do so you can see what gear your in.
Let me add something else TO. You said you were seeing water dripping from a hose under the passenger side floor? Thats likely the condensate drain for the A/C. Were you running the defrost? If so it's condensing the water vapor out of the air which would explain that moisture.
Otherwise water out of the tailpipe is a byproduct of ALL internal combustion engines.
oddball, no defroster. I dont have anything on while it warms up. There is actually 3 puddles under my truck. 1 is at a connection pipe right below drivers side seat, the other 2 are weep holes that come out of the muffler, the only problem this is gonna create over time is rusting of these areas. There is already rusting on the drive axle and rear gear box. That is sad for a 2 month old truck. I barely had rust on my 2002 Super Duty. They must be using cheaper metals for it to surface rust so quickly.