Yes. Because the rail is above the engine the fuel in it can boil after shutdown. Happens after about 15-45 minutes and makes for hard starting and funky idling until the vapor gets cleared. Rest pressure prevents vapor by increasing the boiling temp of the fuel. Same theory as the cooling...
It sounds like vapor to me but until you check rest pressure it's all a guess.
The HAC shouldn't cause this symptom but it still needs to be fixed. The 24 may be due to the Maftpro. Something about how long it takes to initialize. From what I understand it's not an uncommon issue. Might...
Unless you have the gear required to set it dead on I wouldn't worry about it. That said if you decide to install the screw two turns in from housing contact (pump off and rest pressure bled) is about right...
Crazy: Oh, ok. Threw me there for a second. My take on his post was that unmetered air would raise idle speed enough to hit rpm cut because IDL was closed. That can not happen, at least not on a stock 7M. He's otherwise correct.
Chunks: I dunno what his problem is. I was just pointing out...
Codes would be nice but it can't be the TPS. It could still be the AFM though. Or timing. I know he claims it's right but we've been down that road before...
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