June 1, 2001 Service bulletin

Oscillating airflow noise from the exhaust backpressure valve (EBP) at low ambient temperature (<40...

Ford technical service bulletin 14959 for 2000-2001 Ford E Series.

Bulletin number: 14959
Component: Engine and engine cooling: exhaust system
Summary: Some vehicles equipped with a 7.3l dit engine may exhibit an oscillating airflow noise from the exhaust backpressure valve (ebp) at low ambient temperature (<40 degrees f) idles. Tt

Owners of these vehicles have filed 2 complaints in the engine category.

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