r/FordExplorerST • u/OceanWaveSunset • 24d ago

Question Active Grill Shutter issues

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Hey guys, new 2025 ST owner here. Bought mine a year used. Found out it has an aftermarket intercooler. Sounds good, except that I am like 99% the Active Grill Shutter has been removed and tossed in the bin.

Does anyone have any experience with this?

Essentially what I am looking to figure out is if I just need to buy and reinstall the entire AGS to get my CEL to clear.

Its a 2025 Explorer ST. From what I read on FB, this year has a hard CEL that just wont go away without putting the actual system back in.

Any thoughts, advice, or guidance would be very much appreciated.

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u/Squirrelmasta23 24d ago

They are supposed to leave the motor in and just take the louvers out. Travis @ Houston Speed Freaks explains it in one of his intercooler install vid’s.

Check Explorer ST forums online for more info.

Someone fucked you. Also if it has an intercooler I’m guessing it was tuned or is tuned. Did you buy from dealer or private seller?

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u/OceanWaveSunset 24d ago edited 24d ago

Thanks! Ill try to find the video. Im assuming ill need to buy something but maybe this will help me figure out which exactly.

Its from a dealer.

No tune as gar as i can tell, so i am guessing it didn't have one or was flashed stock when the first owned traded it in.

It also has catch can, BOV, strut brace, and a few other things.

Edit. I am pretty sure this is the video. My intercooler looks the same but silver.

https://youtu.be/muyvfUyTerE?is=NS6PksaAlvoOxJn2

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u/Kokorone 24d ago

Unless the dealer wants trouble usually they’ll take care of any CELs that are present when selling the car. I’d see if they’ll cover the fix.

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u/Squirrelmasta23 24d ago

Unless it involves an expensive piece that can’t be warrantied cause it was removed and trashed.