Cold Start Problem - Fires up then dies....

[tight as a bull's ass]

Originally posted by Jim Sims
There are two screws attaching the AAR; the other one's on the backside (towards front of engine). Jim

Thanks....I kinda figured that out after pulling on the thing for a while and it wouldn't come out.....

the screw in the back is really tough to get to though....damn,who designed this thing? Everything is so tight in there!!!

[Jamie79SC]

TABA,

I have an off the wall thing for you to to look into. Last week, I blew and replaced the fuse for my fuel pump. (Thanks for pointing me to the correct answer Jim Sims!)

For about two weeks prior to blowing the fuse, I had the same symptom of starting and dying once or twice. Subsequent to replacing the fuse, the problem has vanished...

With a marginal fuse, could it have taken an attempt or two to get the pump motor turning? I don't know, but with a new fuse, the car starts and runs every time.

I said it was off the wall, but what could it hurt?

[tight as a bull's ass]

Originally posted by Jamie79SC
TABA,

I have an off the wall thing for you to to look into. Last week, I blew and replaced the fuse for my fuel pump. (Thanks for pointing me to the correct answer Jim Sims!)

For about two weeks prior to blowing the fuse, I had the same symptom of starting and dying once or twice. Subsequent to replacing the fuse, the problem has vanished...

With a marginal fuse, could it have taken an attempt or two to get the pump motor turning? I don't know, but with a new fuse, the car starts and runs every time.

I said it was off the wall, but what could it hurt?

Jamie79SC,

Thanks for the tip, I'll install a new fuel pump fuse and try to start her this morning with the AAR still attached. However, when the problem happens, i do hear the fuel pump operating in the front, and it sounds normal... as it always has. I'm kinda used to the sound now.

EDIT:

UPDATE: Installed new fuse for fuel pump, car started immediately, idled at 1500 for a few minutes, then settled down to 950! wow

But it was in the garage overnight....problem was occuring only outside in the frigid cold overnight. Hmmmm....I guess the bottom line is:

- Garage your Porsche
- Porsches dont like starting in sub-zero temps.

is there a fuel additive to add so the gasoline doesn't "freeze"?

Thanks.

[Superman]

FWIW, you can usually test an AAR without removing it, by using a flashlight and a mirror. Or even a piece of paper.

[tight as a bull's ass]

Originally posted by Superman
FWIW, you can usually test an AAR without removing it, by using a flashlight and a mirror. Or even a piece of paper.

Procedure for testing?

Well, now i have experience removing it, can't hurt....(except the back from bending over)

[Superman]

When this device is cold, there should be an opening in it. Two air hoses connect to opposite sides, and the function of the unit is to allow air to pass through. If it's out, just look through it. If not, shine a light through it and, with the mirror, see if you can see the light through the hole. Then plug it in to a 12v source and see if this causes the opening to close. No more than a few minutes.