Amsoil PI Direct Injection Engine

Joined
Jan 5, 2025
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I'm curious if anyone uses Amisol Pi in their 2024 Ford f150 xlt 2.7 ecoboost or similar? I am considering starting to use it at 17,000 miles. If I use the whole bottle it's a little short for my 36 gal tank. Would it be enough or should I use another quarter bottle for exact specifications? Any advice will help.
 
Where do you fill up? If you have a costco nearby but no membership get the $60 a year one and immediately sign up for the no annual fee costco card that gives you an additional 5% back on gas. Costco has top tier fuel and I think the new top tier plus as of recently which should be even better at cleaning and keeping clean compared to non top tier fuel.

I've been filling up there for several years since they opened one up near my house and have had no injector issues on anything. I have an obd reader so i can check fuel trims and everything from my newer 48k mile truck to my highest mileage one with 342k runs smooth even with the original injectors at that mileage. With top tier fuel i can't see how anything would need any injector cleaner.
 
I fill up mostly at Costco with 91 octane
That toptier gas which is also constantly refilled so it's fresh should keep it clean. I'd only use those additives once the fuel trims are out of whack like 6% or higher. I think all of mine were at 1-3%.
 
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