Join Date: Jan 2010
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CEL on Constantly no DTC's
CEL comes on before I start the truck and stays on.
Checked all fluid levels, batteries, etc..etc..
I have unhooked the batteries (couple of hours) and the CEL comes on prior to starting it (even for the first time after unhooking the batteries).
No other issues with the truck (starts, runs, drives great other than the CEL being on all of the time)
Could this be signifiying service required? (Like at some preset mileage or something?)
2003 F-350 Crew Cab Short Bed
AFE Cold Air, Banks Intake, Garrett 38R, Banks Big Head, 4 inch Downpipe to Straight 5", 3 Position Chip (0,90,150), Built Trans, Air Bags & Ladder Bars in the rear