Vehicle: the ever-present 2006 Solstice with aftermarket turbo.
When I lift after hard acceleration, I can smell what I think is gas for a few seconds. It dissipates quickly, but is disturbing.
A few days ago, I popped the hood and noticed one of the 10mm bolts holding the fuel rail down had worked it's way loose by about 1cm. I know I tightened that bugger when I put the engine in (about 2000 miles ago).
This morning, I put gas in the car. While the pump was running, I opened the passenger door to clean out some trash from the floorboard, and noticed the gas smell inside the cab. I had not noticed this before I started filling the tank.
During an apocalyptic hail storm a few weeks ago, the driver's quarter panel was hit by a softball sized chunk of ice moving at terminal velocity, just to the left of the gas cap. (Close enough so that the gas cap door doesn't close.)
I've seen a "check gas cap" warning a few times on the DIC.
Also, when coming to a stop, frequently the engine will rev up to 2000-2500 rpm for a few seconds.
I noticed my BOV sticking open. Car off, BOV shut. Car on, BOV slightly open. Rev engine, get out of car, BOV open about an inch.) Thinking of putting a heavier spring in.
Suggestions? I'm not even sure where to start. Despite the damage near the gas cap, I don't see any cracks. The fuel rail and line look fine.
Help.
EDIT
Not really in line with the QA stuff, but since it was requested:
Track video (after our Camaro's runs) https://youtu.be/7fupmZstk8E
