Ford F - SeriesThe Ford F-Series lineup offers a plethora of models for every occasion or occupation, starting below $20,000 and climbing beyond double that. The F-Series line offers something on the order of 75 permutations, more than some car companies' entire lineups. All are capable of work or play, even those models with luxurious interiors, and all have four doors.
Greetings,
Newbie and am going to dive right in. Trying to keep the 98 F150 running forever, am allergic to car payments. Working several issues (broken blend air door, tranny thunk) but will hit those separately and will start with this EGR question.
Situation: Have a smooth idle up to approx. 1100 RPM then it gets "scratchy / slightly rough" until approx. 2000 then smoothes out. (Paid a guy $270 to clean out the EGR ports couple of years ago for similar problem.)Question: Want to do same and see the posts indicating such. How much of a bear is it to remove intake and get to those ports? Also, is this the same area to clean out the "carbon" on the rest of the intake side of the house?
Thanks to all for sharing and hope to help in the future.
I am not familiar with the 4.2L intake, but in general you don't have to remove the intake to clean the EGR passageways.
Start from the EGR valve. After removing it us 12-18" long brash or even nylon small diameter brushes. Some spray carb cleaner and some shop towels. For realy small passages use long pipe cleaner (Walmart art supplies)
The other end of the EGR passageway sometime dumps back into the intake just behind the throttle body. Check there.
__________________ Peace, it's our only chance
1998 E150 Club Wagon, 4.6L Modular, E4OD
2007 Milan. 3.0L Duratec, Aisin 6 speed AW-F21 others I look out for
2007 Escape 2wd (the mini Pumpkin), 3.0L Duratec, CD4E
2008 Mazda3 5 door, 2.3L, 5 speed manual
Wow, posted last night and answers the next day. Thanks for that. I will carefully go about this but think I need to pony up for a Chiltons manual. Don't want to "turn something till it sounds expensive". Thanks and will advise.
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How to clean EGR intake ports for 99 F150 4.2L 
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