99 & up 7.3L Power Stroke Engine and DrivetrainDiscussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
Wow, thanks! I have the P1316 code, pulled the driver side valve cover off to check harness. Reassembled and still have P1316, but then the P0603 showed up as well. Tomorrow is the passenger side. Have sure hoping I find the issue there.
I had the same problem with my UVC Harness. Ford has the upgrade to put a small plastic piece under the plastic spring clip to give it more elasticity, it costs roughly $15. Both my harnesses were lose and I still have the rough idle plus the thrown code, even after erasing it. So make sure you check your connections are tight at the battery.
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