Recent content by Jason29

I recently bought a Dark Horse and one of the active exhaust actuators on the muffler is bad. It is a warranty item, but the 2024 part is currently not available with no ETA. I know this is a stretch, but thought I would ask, as I know some folks are quick to remove the factory mufflers. If...

Upon further review this morning, it’s not actually the fuel system, but the muffler valves flapping open and closed continuously for about two minutes. Then it stops. I think it still does it even after the car is started. I assume that’s triggering the CEL. Will see what the dealer can find.

Thank you! This is very helpful. I have had previous Mustangs in the past that made a few clicks when you opened the door, but this seems to be running for a longer time. A check engine light came on when I drove it today, so there’s probably something going on. I’ll have to get it into the...

I recently picked up a Dark Horse and most of the time when I open the door, I hear a pumping type sound from the rear of the car for several seconds. I searched and didn’t find anything posted about it. Not sure if it’s the fuel pump priming or something else, but it seems a bit odd since it...