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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

High revs at start up

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Old 01-31-2015, 08:09 AM
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did you disconnect your battery prior to doing this ? your engine has a re- learn process that it needs to do now that the EGR works correctly
Old 02-01-2015, 12:00 AM
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I did not disconnect the battery before doing it. I have disconnected the battery since to no avail.
Would the egr have any effect on the engine at start up?
Old 02-01-2015, 12:52 AM
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I had a high idle at start. Then I got a code "intake manifold runner stuck open". Cleared it and it came back over and over. Then I seafoamed through the brake booster, and the code never came back and the idle returned to normal. Just a thought.



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