Car Problem Reports

Ford E-350 Loud Popping Noise and Misfire Experienced

 
Ford E-350 Problem
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Model Years Affected: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008

Engines Affected: 5.4L V8, 6.8L V10

Average Mileage: 206,750 mi (163,500 mi - 250,000 mi)

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The spark plugs may become dislodged from the cylinder heads. A loud popping noise can be heard and a subsequent misfire experienced. The threads on the spark plug ports in the cylinder head(s) can become stripped or missing when the spark plug is dislodged. The threads in cylinder heads may be replaced using “Lock-N-Stitch” aluminum inserts. Our technicians tell us thread replacement is performed when the vehicle is out of base warranty. Vehicles under base warranty receive a new cylinder head.

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