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    Multiple Codes 6.4hemi

    2014 2500 6.4hemi Tradesman Had message on dash to service Throttle Body. Shortly after Cylinder 6 Deactivation/Open P3441. Replaced the Throttle Body. P3441 cleared. Week later 23 codes popped up. All around Cylinders/Misfires/Ignition Coils. Rough idle. Read to test the ASD relay by...
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