Amsoil engine flush. Then some Amsoil 0w-40 full synthetic and oil filter change. Sounds like lifter tick.
Reviews of AMSOIL engine flush
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9 votes
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3 reviews
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I have a 2017 with the 3.0T. I was burning 1qt every 1,000 miles. I was using Motul 5W-40 oil but before my last oil change I used the Amsoil engine flush. Per the instructions I let the engine idle with the flush in it for 15 minutes then changed the oil. I’m now using Amsoil 5W-40.
In the first 1,000 miles following the Amsoil flush and oil change, it used 1/3 qt. That’s a substantial improvement in my book.
Pros: substantial improvement
Cons: burning oil
Mileage: 1609 km
I've been using AMSoil 5W40 European car formula for the past 8,000 miles. I noticed a lot of sludgy nasty bits in the head last time I changed my oil. so I used the AMSoil engine flush and I filled up with the same oil and I used one of their extended life filters... I saw a lot of sludgy nasty stuff come out in the oil when I drained it... I started up my engine and it runs much smoother now and the power is much better BUT, the valvetrain seems really loud.
Pros: engine runs much smoother, better power
Cons: valvetrain seems really loud
Mileage: 12872 km
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What we know about AMSOIL engine flush
The brand is registered in USA. Official website: https://www.amsoil.com.
In March 2026, PartReview does not yet have a formed opinion of AMSOIL engine flush. You can help by adding a review for AMSOIL engine flush.
Currently there are 3 reviews and 9 votes. Average rating — 4 out of 5. Vote balance: 9 up, 0 down.
Users also evaluated the qualities of AMSOIL engine flush:
- Idle smoothness - engine can idle a bit more evenly after use - rated positively. 3.7 points out of 5.
- Drain appearance - old oil drains darker and thinner as deposits are loosened - rated positively. 4.5 points out of 5.
- Smoke change - temporary exhaust smoke may appear during or after treatment - no rating yet
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