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The pump that was installed in my EcoD IAW recall is a CP4.2 variant. The markings on the pump casing indicate this variant has an asymmetrical lobe. Till someone opens one up to determine, my guess is they may have "pinned" the bucket.
I called dealer in Mid-November 2023 on the 21st I believe. Then called mid-February 2024 here. When I spoke to them, I said it has been 3 months since I called and ask if they forgot about me. They said no just that the parts had not arrived yet. So then 2 days later they call the parts have arrived. Seemed funny to me all of a sudden, the parts arrived but I did not ask any questions either. Let's get it done. Then was able to get in two weeks later and had HPFP replaced March 4th. So far everything has been fine and almost 2000 miles since replacement.
They did the exact same with mine. I assume they pull the EGR tube to get better access to the fuel lines or the pump hardware.
My friends truck has been sitting at the dealership for 18 months waiting for parts. Pump grenaded.
My original truck granaded on the drive home from purchase day. Dealer gave another truck straight up trade after they found out how long the parts wait was.
They treated you right!
I had that code come up early last year. I ran some Hot Shots Diesel Extreme through one tank of fuel and the code went away!
I just filled up from my typical station. Once I burn through this thank I’ll give it a try! That code seems like a real pain to troubleshoot. I have access to a mactco Maximus 3.0 scan tool but requires an account to get through the safe gateway module. It’s only $50 for the year so I may give it a try to see if it can help point closer to what the issue was.
So my scanner read it as “fuel injection quantity lower than expected.” Loosely this translated to an injector having a partial clog. Only symptom I felt from the drivers seat was a very intermittent and minor hesitation when accelerating out of stop light. Best of luck with it Tom!
My turbo plumbing also has a little bit of oil on it, but yours look a little wetter than mine do. I've got my fingers crossed for you that it is a simple issue. Or at the very least it is completely covered under warranty! I'll try and post a few pictures for you when the sun is out.
Here Tom, took a few photos of my under hood area. I just cracked 69K miles. Definitely not as much oil near that joint as your truck, but there is a bit of oil in that pipe. However it’s no more than some of my tier 4/Emissions turbodiesels at work.
I appreciate this! Mine defiantly seems a bit worse also have 30k more miles. At this point I’ll wait to see what the dealer says. To me it seems like a there’s been a slow leak for a long time, it may not be the issue Cushing my code but still something. I’ll share what the dealer says once I hear back. If they do nothing with this leak I’ll dig further myself.
