High Pressure Fuel Injector Replacement

foo3922

foo3922

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My Lincoln
2024 Nautilus Premier II Hybrid
Just checked my Lincoln app and noticed a new CSP. 24B23. Looks like they’re tackling the exploding engine issue.
 

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foo3922 said:
Just checked my Lincoln app and noticed a new CSP. 24B23. Looks like they’re tackling the exploding engine issue.
Click to expand...
So you've got a hybrid, right? (just confirming)
 
Yes I have it too. Not officially a recall but a “Customer Satisfaction Program”
 
Unfortunately, per someone on another site who called their service manager: "He said that the information they have from Lincoln says that the fuel injector CSP is advance notice only, and that it does not yet have an actionable remedy. He said all they could do at this point is replace the existing fuel injector with the exact same part. "

It looks like they haven't actually come up with an alternate part or an installation process change that would help address the root problem causing the failures.
 
markfm said:
Unfortunately, per someone on another site who called their service manager: "He said that the information they have from Lincoln says that the fuel injector CSP is advance notice only, and that it does not yet have an actionable remedy. He said all they could do at this point is replace the existing fuel injector with the exact same part. "

It looks like they haven't actually come up with an alternate part or an installation process change that would help address the root problem causing the failures.
Click to expand...

is this another Nautilus forum? Can you provide the link? Thanks!
 
markfm said:
Unfortunately, per someone on another site who called their service manager: "He said that the information they have from Lincoln says that the fuel injector CSP is advance notice only, and that it does not yet have an actionable remedy. He said all they could do at this point is replace the existing fuel injector with the exact same part. "

It looks like they haven't actually come up with an alternate part or an installation process change that would help address the root problem causing the failures.
Click to expand...
I also called and got the exact same line.
 
foo3922 said:
I also called and got the exact same line.
Click to expand...
Thanks for confirming - hopefully it's at least one step closer to resolution (publicly acknowledging something should be done), definitely should be actively getting worked by Lincoln.
 
I asked my dealer about this today. Mine was built 2/2. He said that service techs will use a camera to see if the vehicle "has the problem." To me, that would only be useful in the situation where the fuel injectors tips are cracked at assembly time. Is that what we're dealing with, or is this an issue where they become cracked when driving?
 
jeffcarp said:
I asked my dealer about this today. Mine was built 2/2. He said that service techs will use a camera to see if the vehicle "has the problem." To me, that would only be useful in the situation where the fuel injectors tips are cracked at assembly time. Is that what we're dealing with, or is this an issue where they become cracked when driving?
Click to expand...
A great question - maybe they over-torqued the hybrid injector assembly, vs. under-torquing the Reserve/BL rear shocks...
 
I
markfm said:
A great question - maybe they over-torqued the hybrid injector assembly, vs. under-torquing the Reserve/BL rear shocks...
Click to expand...
I pressed him a little and his response was "My Service Manager said per Lincoln the tech would use a bore scoop to check the integrity of it. That is all I have right now. I have him looking into it more."
 
Essentially, the service techs aren't design/production engineers, so that's about all they could do. Unfortunately, if cracks are seen, that would be a positive "gotta replace these", but if no cracks are found it's an open question as to whether they could still occur through engine operation.

(The cracks may appear due to bad assembly, over tightening things, but there could be latent defects, stressed items on the edge that haven't yet reached the cracked state but may well fail due to operation over time. Likewise it could be a bad batch of parts, under spec, or simply a part not-fit-for-intended-use, under-designed for the pressures in the actual fielded engine. Lincoln's team should be going through a root cause analysis, if it isn't already complete.)
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markfm said:
Essentially, the service techs aren't design/production engineers, so that's about all they could do. Unfortunately, if cracks are seen, that would be a positive "gotta replace these", but if no cracks are found it's an open question as to whether they could still occur through engine operation.

(The cracks may appear due to bad assembly, over tightening things, but there could be latent defects, stressed items on the edge that haven't yet reached the cracked state but may well fail due to operation over time. Likewise it could be a bad batch of parts, under spec, or simply a part not-fit-for-intended-use, under-designed for the pressures in the actual fielded engine. Lincoln's team should be going through a root cause analysis, if it isn't already complete.)
Click to expand...
Yup, lots of causes for injector failure in DI engines. on diesels it would happen when foreign contaminates make it in. In this case it could be improper preservation from supplier or just improper handling. Could be just a few parts or could be a entire lot.
 
The latest word is they're aiming to have the detailed dealer bulletin out by mid May, instead of late June (though no idea if parts availability will be straight by then - they may know what to do, but not yet have the parts to do it with 😀).
 
Seems like without question once they get better ones they need to be replacing all injectors in all affected vehicles. Pro activity would be nice here.
Playing Russian roulette driving your car right now it appears.
 
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