I have a flat tire with a large screw in it. See attached photo. Can I use a tire sealant as a temporary fix to get me to a tire shop? I’m wondering because of the sound reducing foam in the tire. Not sure if that would affect the sealant. I’m thinking the tire will not be reparable as the screw is so close to the side. Hopefully I’m wrong. I still have the stock 19 Continental tires. Tesla roadside service for tire repair is pricey.
That looks clearly in the flat part of the tread.
It's super simple to use a plug kit to repair that. I've done it a few times, even that close to the side wall.
Fix-a-Flat, or any liquid goo you put inside has the potential to eff up your TPMS. Not worth the risk.
And it's going to be very hit-&-miss whether it'll even help with a foam insulation tire anyway. The foam is porous, so very difficult to get a good seal. Now, with the location of that puncture, it may not even be covered by foam, but it's borderline.
Just use a plug kit, follow the directions.
Extra tips:
Be sure to keep a slight inward angle when using the clean-up tool so you don't risk scraping the side wall. (low profile tires are trickier)
Fully deflate your tire. Any air pressure will work against you when you're putting in the plug.
Then, spray a little soapy water, before and after, on the hole to 1) lubricate the sticky plug going in, and 2) helps show any air leaks afterward.
I have to straddle the tire and use all my weight pressing down to get the plug all the way in, so it's not easy, but for nails and screws, it'll last a long time, and save you from buying a new tire or 2.