Thread: W123 ACC "sensor tube" replacement?
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Old 09-17-2007, 01:03 PM
SD Blue SD Blue is offline
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Join Date: Jun 2004
Location: West of Ft. Worth. TX
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This may be different on the 123 but on the 126 you can faintly hear the sensor fan running in the number II position. I believe if this fan is not working, you will have similar symptoms.
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84 300SD 350K+ miles ( Blue Belle )
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