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Old 11-09-2007, 09:53 PM   #61
Mr. Bill
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I think my car had done this twice in its lifetime before I read this topic. I thought I got pretty lucky, but then this morning on the way to work, it just died. It was just after getting off the highway, clutch in coming to a stop, I look down to see dummy lights and 0 RPMs.
I'm not really complaining, but it's just a little odd that it would do it just after I read this topic.

I'm not sure if my fuel filter has ever been changed...Maybe I should do it, eh?
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Old 02-13-2008, 06:35 PM   #62
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This happened to me today. This is not the first time for my car. This is getting old. It seems it doesn't matter if your stock or not.
My guess on this would be either
1) Air flow (mass air or throttle body)
2) Fuel issue
My thoughts
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Old 02-14-2008, 10:25 PM   #63
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it use to hppen to me about once a week a couple weeks the quit for a couple months and happened again the other day slowing down for a stop light and i have a 67mm throttle body lightweight flywheel and a tune from tom and msd wires and coil pack. id say it just something we have to deal with nothing can help
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Old 02-14-2008, 10:38 PM   #64
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thats not an acceptable answer to me, but it seems to be the best we can do haha
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Old 02-15-2008, 07:21 AM   #65
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Changing the fuel filter did help for me, but only temporarily. Another person noted that the AF ratio got very lean when the revs started stumbling, which I originally thought indicated a fuel delivery issue. I can't imagine the fuel filter only lasts for 10k miles though, unless our tanks are made of rust.

It's possible the problem is with the Idle Air Control valve in the intake manifold. athens7 noted that Tom changed the kick-in speed for the idle control circuit... I'd like to know what exactly this change was and what exactly it makes the engine do. As for reducing the rev drop-off speed... that seems like a bandaid, and a bad one at that. The engine is slow enough as it is when dropping revs between gears. If I had to wait any longer than the usual full second between 1st and 2nd gear to match the revs, I'd fall asleep at the wheel.
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Old 02-15-2008, 10:22 AM   #66
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All of these symptoms point to a vaccuum leak...
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Old 02-15-2008, 11:55 AM   #67
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mine does it too...
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Old 02-15-2008, 12:26 PM   #68
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Quote:
Originally Posted by WeeAsp View Post
All of these symptoms point to a vaccuum leak...
This piqued my interest, since I recently posted on FJ about getting a white substance in my CFM oil separator. A couple said it's moisture, but that shouldn't happen unless there's a leak in the PCV system. Hmm....
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Old 02-15-2008, 01:20 PM   #69
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Quote:
Originally Posted by CaysE View Post
This piqued my interest, since I recently posted on FJ about getting a white substance in my CFM oil separator. A couple said it's moisture, but that shouldn't happen unless there's a leak in the PCV system. Hmm....
Bingo...

The usual suspect sits under the snorkel on top of the radiator. There is a lot of flex ander there and there is one line that leads into the PCV system that often gets a hole worn into it.

I am a firm believer that a lot of the cold running problems our cars experience can be traced directly to a 5 cent hose....
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Old 02-15-2008, 01:45 PM   #70
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I'll poke around there later today. It'd be great to finally get an answer to this problem!
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