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Ford
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2006
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Focus ZX5 SE, Standard
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Repair and Diagnosis
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General Information
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OEM General Information
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Noise, Vibration & Harshness
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Description And Operation
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Noise, Vibration and Harshness (NVH)
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Glossary of Terms
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Moan
Glossary of Terms: Moan
A constant, low-frequency (100-200 Hz) tone. Also described as a hum.