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240 rough idle 200 1985

posted by  Scott SC on  Sun Jan 2 02:14 CST 2005
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Butting in with a rough idle question. I have a 90' 245. 230F auto with about 170K. I have thus far cleaned the throttle body, change the plugs, wires, cap, rotor, flame trap and hoses. Figured it must be a vac leak some where. I have looked in the Bently for vac hoses but did not find a section on this.

The lower flame trap hose was split at the top and I also found that there was some build up of debris in the tube where the lower hose fits to the engine. This debris must have been bulding up because of that split hose. I did not clean this out did not want the debris (dust and oil)to fall back into the oil pan, could this cause a rough idle problem and would it be a problem if this trash made it to the oil pan?

Scott SC
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Scott sc






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