I waited a few hours, and tried the misting experiment. I took all engine covers off, set up VCDS to monitor 15 and 16, started the engine, and misted the hell out of the driver side intake manifold, vacuum lines, etc. I did this for 5-10 minutes, soaking it. Nada - not a single misfire.
Then switched to blocks 32 and 33, then sprayed again - nothing odd happened.
The ONLY odd thing was that as I was doing this, and at random times, I heard this really odd noise from near the throttle. A sort of deep blahhhhhh then it would stop. I'd try to find a location to spray to make it appear, no luck.
Its heating up here in NJ, so will retry this experiment tomorrow.
I assume the reason to use water and not choke cleaner is to avoid the possibility of my blowing the car and me up doing this test!
Poking around driver side, hard to see where a leak MIGHT be coming from. I tested all intake manifold bolts - none loose. There are only a few vacuum lines and they don't seem to go to one side or the other.
Hopefully more interesting data tomorrow.
Then switched to blocks 32 and 33, then sprayed again - nothing odd happened.
The ONLY odd thing was that as I was doing this, and at random times, I heard this really odd noise from near the throttle. A sort of deep blahhhhhh then it would stop. I'd try to find a location to spray to make it appear, no luck.
Its heating up here in NJ, so will retry this experiment tomorrow.
I assume the reason to use water and not choke cleaner is to avoid the possibility of my blowing the car and me up doing this test!
Poking around driver side, hard to see where a leak MIGHT be coming from. I tested all intake manifold bolts - none loose. There are only a few vacuum lines and they don't seem to go to one side or the other.
Hopefully more interesting data tomorrow.