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  #1  
Old 07-22-2003, 01:13 PM
Fimum Fit
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AT Modulator valve is likely the culprit.

Happens all the time on old Fords: the diaphragm in the vacuum modulator cracks and the engine vacuum sucks AT up the line to the intake manifold. Not the hardest problem to cure, for sure.
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  #2  
Old 07-22-2003, 02:11 PM
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Location: Doylestown, PA
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Thanks for the response Fimum Fit. I was told by a friend that it could be that. I think I'll give it a try
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1988 190E 2.3 (178,000)
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  #3  
Old 07-22-2003, 02:13 PM
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why is it posting backwards?
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  #4  
Old 07-22-2003, 02:21 PM
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Disappearing Tranny Fluid, Mysterious Smoke

Hello all,
I was hoping for a little guidance. I have an '88 190E AT with about 200k. A funny thing is happening to me. The tranny started slipping a few months ago. I checked the tranny fluid level and it was low so I put some fluid in. 2 days go by and it's slipping again. More fluid. To make a long story short, I am probably going through a quart every 200 miles or so. The odd thing is that there is not a single drop of tranny fluid under the car. I am stumped. Another odd thing that started around the same time is that when the car sits at idle for any period of time, upon acceleration, smoke pours out the exhaust. Hmmmm. Is there any possibility that the AT Modulator Valve is bad and allowing the tranny fluid into the engine?? I really can't think of anything else. Thanks in advance for your helpful responses.

Kodiak
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  #5  
Old 08-12-2003, 10:24 AM
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I just thought I'd follow up for anyone else having the same problem. Fimum Fit was right, it was the vacuum modulator valve. It has been changed and there is no more smoke. I think it helped with the valve tap as well
Thanks,

Kodiak
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