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Heightened exhaust noise that calms when changing throttle position on 2012 5.4L
The intake manifold is pretty well buried beneath covers, throttle body, etc. so (I) certainly can't tell by looking at it but could probably find out through research... What's your thought??- scag386
- Post #6
- Forum: 3rd Gen Ford Expedition Engine & Performance
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Heightened exhaust noise that calms when changing throttle position on 2012 5.4L
That I don't know... The intake manifold is pretty well buried beneath covers, throttle body, etc. I could probably find out through some research. What's your thought???- scag386
- Post #5
- Forum: 3rd Gen Ford Expedition Engine & Performance
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Rear cargo mat
I went with Weather tech... It doesn't fold with the rear row so am issue if you are hauling 6 or more but our back row had only been used maybe twice since owning.- scag386
- Post #10
- Forum: 4th Gen Ford Expedition Interior
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Heightened exhaust noise that calms when changing throttle position on 2012 5.4L
I have a 2012 5.4L that looks and runs like new however during cruising at speeds above say 35mph will sporadically display an increased exhaust noise from up front, almost as if unburnt fuel is being introduced into the exhaust system and being ignited by the cat converter(s?). Changing...- scag386
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- Replies: 8
- Forum: 3rd Gen Ford Expedition Engine & Performance
