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so i replaced the motor on my Excursion. I replaced the fuel injectors, coil packs, gaskets on the intake, and changed wiring harness. However, I am still having an issue with my idle dropping to 500. Around 40-50 mph the whole truck shakes. Any suggestions I am at my ends whit with the truck
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Joined: Nov 2010
Posts: 30,589
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From: N. IL
Welcome Steve.
Clean the MAF and IAC. Both have step by steps instructions here. Lotsa great reading as needed there.
Any codes?
https://www.ford-trucks.com/forums/1...excursion.html
Clean the MAF and IAC. Both have step by steps instructions here. Lotsa great reading as needed there.
Any codes?
https://www.ford-trucks.com/forums/1...excursion.html
FTE Chapter Leader
Joined: Nov 2010
Posts: 30,589
Likes: 1,234
From: N. IL
Sometimes the COP (coil over plug) boot gets cracked and allows a misfire. While you're in there changing plugs, change all the boots too.
https://www.ford-trucks.com/forums/1...l#post12447503
https://www.ford-trucks.com/forums/1...l#post12447503
FTE Chapter Leader
Joined: Nov 2010
Posts: 30,589
Likes: 1,234
From: N. IL
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glynnm45
1987 - 1996 F150 & Larger F-Series Trucks
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Mar 27, 2007 03:47 AM
