I used Diesel Kleen in my 3.0L ED Grand Cherokee. Promptly thereafter (2,000 miles?), I had a Service Engine Soon light that came on, a sensor in the exhaust system was toast. I'm not saying the two are related, but I won't use it again, that's for certain.
Interesting, I've used it in my 2016 for over 90K miles, about every other tankful. No issues.
Sensor may have been bad to start with, but I'm not gonna risk it. The GC is running very well without it.
No plugs outside at work. Plus I’ll be regularly parking it in the middle of nowhere to hike, ski, hunt, fish or ice climb when it’s well below zero so I’ll just let the fuel and DEF coils heat up for a minute with the ignition on run before I crank the starter.
When they went to low sulfur fuel the took the paraffins out. The fuel system has no lubricity in it anymore and that will hurt you fuel system parts over time. If a fingerprint on a fuel injector or pump part will keep them from going back together then a little lube would only help. In pre 07 engines we would put a quart of tranny fluid in the new fue to add the lube back. With DPF,s you can't do that.
You don't need any additives. When they went to ULSD additives were needed for engines prior, but all current diesel engines are designed for ULSD.
The engine may deal with ULSD just fine but high pressure fuel pumps seem to be a common issue with even modern diesels running ULSD. My mpg gains offset most of the cost of XPD so I don’t see much downside.
Most everyone has went to high pressure rail system and there is a lot less moving parts but ALL moving parts need lubrication. Adding will only help as long as its DPF friendly.
