Exhaust back pressure.
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Mountain Pass
Joined: Oct 2005
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Exhaust back pressure.
Can anybody tell me, is there a standard means of testing the exhaust back pressure on a 5.4? My expedition has started to drop mileage, and I can't attribut it to anything else. It's too much of a drop to be winter grade fuel. Air cleaner is brand new. Also, seems to lack the performance it had two months ago. Am kinda wondering weather the catalytic converter is starting to plug. Any help would be great.
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Daryl Hunter
6.0L Power Stroke Diesel
9
Jan 17, 2005 11:40 AM
