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2011 Chevrolet Silverado 2500 HD Question: How to deal with a failing DEF system?

 

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zenek_kapusta, 6.6L V8 Diesel Turbo, Linden, NJ, July 14, 2014, 18:54
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I read a lot complaints about DEF poor quality problems on many forums and same thing happened recently to my truck after 24k miles. There is any permanent fix to this frequently failing system since even repaired, is failing again?

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