Premium Guard PG4459EX C&P

Joined
Apr 21, 2023
Messages
72
Premium guard extended life PG4459EX from the 2015 Hyundai Sonata. Replacement engine has ~13,000 miles, filter and oil has ~3,500 miles.

Out Mobil EP 5w-30 and PG4459EX
In Mobil ESP 5w-30 and Carquest premium 85334 filter

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Everything looks very good from here. Unless the diving conditions are quite severe, I would extend the OCIs further. Thanks for posting.

It’s a Hyundai so every time it starts it’s severe, right… the first engine in this car became an oil guzzler, 2 quarts every 1,000 miles and that was on 5-7.5k mile oil changes.

It may not help, but I’m not pushing those again. Normally, I will be changing the oil at 3-3.5k and the filter every other change. With this oil change I had ran a heavy dose of Techron fuel treatment and did a small CRC valve treatment before the change so I changed both oil and filter.
 
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