HPL PCEO 5w-30 15k mi; '23 ES 350 2GR-FKS 35k mi

dnewton3

dnewton3

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Indianapolis, IN
This is the first UOA for this vehicle.
Oil in at 20k miles; sampled at 35k miles ( via Fumoto valve with engine running and fully warmed up).
Filter changed at sample time. (Fram Ultra; nothing to report - it did its job).
No make-up oil added during OCI, but .4 qrts added when the filter was changed.
Mixed use, but probably 10k of the 15k miles is highway; the rest is in-town or short trips.

I sent in a VOA of the lube at the same time as the UOA, but for some reason that report is hung up in their system. I was able to view it, but not download it.
For reference, the following is baseline VOA:
- oxidation 33
- Si 11 ppm
- Al 5 ppm (which seems high for virgin oil .... but, whatever ...)

I intend to continue this OCI for another 10k miles and then sample again.



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1750361749478-38ee68db-7cb2-4747-9e0d-131252606590_2.webp
 
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Agree hard to load the engine oil at this rate outside of fuel. Does this engine have fuel dilution concerns?
 
fantastic said:
Does this engine have fuel dilution concerns?
Click to expand...
The 2GR-FKS uses Toyota's D4S injection (dual fuel injection; both port and direct).
Fuel dilution issues are not common for this engine series.


A side note about the D4S in the 2GR-FKS ... Recently I helped a friend do a full service on his 2017 Tacoma at 96k miles. To get to the plugs easily, we took off the upper intake manifold. It was easy to see down into the lower intake and look at the intake valves. While not spotless, the concern for build-up (typical of some DI-only engines) was pretty much non-existent. I was very pleasantly surprised how well the dual injection in that engine works to keep the valves clean. And he uses whatever fuel he can buy; not particular. I use Top Tier almost exclusively; this should bode well for my valves in the long term.
 
cammyfive79 said:
@dnewton3 you've got one of the best daily drivers on the road today. They've always been so smooth it defies explanation.
Click to expand...
Great to see this good UOA on a fine engine in a fine car.

I bought this car in 2025 form. It's the final year of the simple 3.5 V6 FWD Lexus ES350 F-Sport Handling that they'll make. 2026 sees big changes. My only complaint is the brakes are not great (compared to my Mini JCW that has bigger REAR rotors than the Lexus FRONT rotors). The ES350 isn't a sports car, even though it has some visual cues that would make one think it might be sporty. It's my "retirement car". I'll probably always keep an actual sporty car to toss around corners when the itch needs to be scratched.
 
Titan said:
I bought this car in 2025 form. It's the final year of the simple 3.5 V6 FWD Lexus ES350 F-Sport Handling that they'll make.
Click to expand...
I, too, got this because it's one of the last great n/a v-6 engines around. I was tempted by the F-sport, but was concerned in the long term about the suspension issues associated with the electronic controls. In retrospect, that was sort of ironic as the entire car is just loaded with tech; why would the adjustable suspension be any more trouble prone than the rest of the car?

Titan said:
My only complaint is the brakes are not great (compared to my Mini JCW that has bigger REAR rotors than the Lexus FRONT rotors).
Click to expand...
Yes, the brakes are OK for normal use, but don't you dare try a few spirited stops, or they'll fade quickly. I'm hoping that the aftermarket eventually steps up. My wife's 2013 ES350 has the availability of "severe service" pads/rotors via many sources. (The aftermarket responded probably because Camry's got put into taxi service). I'm hoping that eventually the current platform also sees that support and I can upgrade my brakes.

Titan said:
The ES350 isn't a sports car, even though it has some visual cues that would make one think it might be sporty. It's my "retirement car". I'll probably always keep an actual sporty car to toss around corners when the itch needs to be scratched.
Click to expand...
Ditto. My MX-5 serves to cure the craving for curves.
 
Titan said:
Great to see this good UOA on a fine engine in a fine car.

I bought this car in 2025 form. It's the final year of the simple 3.5 V6 FWD Lexus ES350 F-Sport Handling that they'll make. 2026 sees big changes. My only complaint is the brakes are not great (compared to my Mini JCW that has bigger REAR rotors than the Lexus FRONT rotors). The ES350 isn't a sports car, even though it has some visual cues that would make one think it might be sporty. It's my "retirement car". I'll probably always keep an actual sporty car to toss around corners when the itch needs to be scratched.
Click to expand...
I bought a re-cert 2021 RX-350 with a V6 too for the same reasons.
 
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So, hold it! Title says PCEO 5w30, but UOA says HDMO. Your subsequent VOA’s seem to support this is the PCMO version, not the diesel version. Could you clarify? Just so we can be sure. “Low end”PCMO? (Not that any HPL’s are really “low end”).
 
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