Has to be fuel. Bled the fuel line 5 or 6 times. Last time left it cracked wrapped in a rag while it ran (poorly). Soaked dripping rag and no improvement.
Did it smell like gas???
(sorry couldn't resist...lol)
"Oooohhhh that smells,
The smell of gas surrounds you"
JK
The shop probably got a good laugh out of it.
At least you didn't wind up with one of those mechanic memes
"Customers says brakes make grinding noise"
Photo of brake rotor worn through...
