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I am chasing down a P026D DTC and rather than taking the "Parts Cannon" approach, I'm trying to diagnose the problem using what knowledge and tools I have. I like tinkering and learning :) After looking for obvious air and/or vacuum leaks, I focused on the MAF sensor to start the trouble...

I am getting the P026D CEL code (Fuel Injection Quantity Higher Than Expected). I used jscan to look at the PID "Total fuel correction" for each cylinder. My understanding for an injector operating within specs is for the injector to be as close to Zero as possible in terms of total fuel...

My 2023 JT 3.0 Diesel with 14,500 miles has been leaking oil on my driveway for months. A drop or two every parking. Over a couple months my driveway is a mess. I parked at a new spot at work for a week to get a visual of the volume of the leak so I had some kind of reference when I took back...

Sunday am...having coffee and just thinking out the box here. I understand there is no silver bullet in total vehicle protection from the bad guys.....its all about layers of security and buying time. My thought process in trying to leverage the RFH is to take out of the equation as much...

Hello All, I recently installed the jscan app have even forced my first regen. Jscan is a very powerful tool. So powerful I can't quite figure out how to look at soot levels. I'm sure there is a particular pid to select........but man there are a lot of pids. I just want to quickly glace...