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Old 05-09-2002, 11:19 AM
JDUB JDUB is offline
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Join Date: Apr 2000
Posts: 412
The oxygen sensor does not come into play when its cold. Were your spark plugs clean when they were changed or were they oil fouled? You may have some oil leaking down past the valve seals and guides that may give problems when cold or at idle that may seem to disappear at speed. Also check you vacuum lines. Does the vacuum read a little low? Spray around the rubber lines and injector seals with some W/d 40 to see if there is a change in idle speed.
1990 190E 2.6
1996 Grand Voyager 3.3
1985 Mustang GT 5.0 5 SPD
1982 Suzuki GS 750T
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