4.0 surges when cold | Ford Explorer Forums

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4.0 surges when cold

mwalters

New Member
Joined
April 3, 2013
Messages
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City, State
Monroe, MI
Year, Model & Trim Level
2007 Explorer Eddie Bauer
I have a problem with my '07 Explorer V6 4wd. When the engine is cold, it surges when applying low, steady throttle. After the first minute or two of driving it goes away. Doesn't happen on a warm engine. Any ideas? I did change the coil, just for the heck of it.
 






how long do you let it warm up before driving it?
 






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