Compression Ignition Addict
Join Date: Feb 2007
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Mine's a 6.0l, but I'm guessing the FICM works like the old IDM. Mine idles fine once it gets to idle speed, but on a down-rev it alternates cylinders and sounds lopey and then tries to stay around 900rpm until I'm at a complete stop. Then it idles smooth and normal.
2004 King Ranch F250 FX4 6.0L
5" Custom Lift with 325/65R18's on KMC Diesels
Stage 1's by Josh Davis (RCD), FASS 150/95@65psi.
Fuel Cross-Over, OEM FPR Plugged
Outlook Monitor, EGR Delete, Throttle Plate Delete, Banks Monster 4"-5" Tip