V8V Intermittent Hot Start Issue

[DK570]

As the title says, I have a 2011 V8 Vantage that *sometimes* has a hot start issue. Cold starts after sitting for a long time haven't been an issue. However, sometimes when hot it'll rev to maybe 1,000-1,500 rpm at start and then immediately die. It's annoying to not start on the 1st attempt, but its really really annoying when it doesn't start on the 2nd, and the 3rd, or the 4th attempt. Also, sometimes in parking maneuvers it will die. At first I thought since this is a new car to me that maybe I was stalling it, but for sure I've had it die with the clutch all the way to the floor while parking. Otherwise it seems to drive fine. After a few failed attempts to start it will throw a check engine light. It doesn't always do it in the same way, but the most common code is P2111

Previous owner thought it was the key module in the dash, I replaced that, didn't change anything. Redpants was having a sale, so at the same time I bought and replaced the clutch position switch and the ambient air temperature sensor. Still has the problem. I've also cleaned the throttle body and the MAF sensors, as well as run through a bottle of injector cleaner. I'm thinking it's either throttle or fuel related. I plotted the throttle response on my code reader, I also plotted the throttle response on a 2017 Jeep Wrangler JK 3.6l V6, and a 2022 Jeep Grand Cherokee WL 5.7l V8 to compare. When I look at plot on the Aston there is a weird blip at the end. Like the throttle closed too much and then it needed to open a little to be in the correct position? Any thoughts??

I'd like to share videos of the throttle position graphs from my scanner, but am not sure how to on this forum. Is it possible to attach videos here? Or do I need to upload to youtube and share the link?

[Manners79]

There is a known stalling issue caused by the fuel tank especially when less than half full. Cant recall the details but it’s been discussed here before. Not sure if that could also affect hot starting? Good luck with the fix

[DK570]

Manners79 said:

There is a known stalling issue caused by the fuel tank especially when less than half full. Cant recall the details but it s been discussed here before. Not sure if that could also affect hot starting? Good luck with the fix

I've read about that, this seems to be a different issue. It's definitely not related to gas tank level, though I'm not ruling out an issue with the fuel pump.