Ford has changed to a dual system on their trucks. DI plus port injection
is an ideal way of getting that power, gas mileage, and less worry about coking. Although, it has not been a widespread problem for them on the DI models. I just had the 50,000 mile fuel system cleaning on my F-150 and you can tell a difference in pep afterwards.
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In response to this post by HokieR)
Posted: 08/30/2018 at 6:51PM