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Yellow foam 900

posted by  Adirondacker on  Mon Jan 13 18:09 CST 2014
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last visit: Mon May 12 06:34 CST 2014
[RELATED]

car is a 95 NA (no turbo) bosh ignition.

Engine is a 94, not sure if replaced, but car is verified low mileage (168K, I've had it since 107k).

Engine has has a chug in the idle, recently totally pulled apart air hoses to throttle body, replaced bellows, replaced iac, replaced new air breather box (I had everything from previous cars).

Car runs same. Started seeing too much oil out of oil filler cap, which lead me to clean/replace all the stuff related to the flame trap, throttle body.

Even cleaned the cake out of the PCV valve, and that is all clear now (only thing found plugged, but should have no affect on situation).

Car passes jiggle test some times, some times I open the hood, and it is spitting oil something fierce.

I also am seeing a yellow foam, looks like condensate in the air system with a little oil. But I have never had a foam lining on the main hose to the throttle body, there was even foam blown into the bellows. It has been cold here, but.....

Any ideas on what it is?

Car runs excellent at speed, but chugs at idle, been doing it for years, just a little worse now. Yellow foam has me worried with quantity of it. Oil is fine (needs a change, but color is fine, usually 3-5k between changes, been 7k this time)

I've had my hands on most of the car in the last couple of years, most everything is up to snuff (plugs show oil deposits on rear cylinder, otherwise fine)

Thanks






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