Ford: urea crystals are forming in diesel exhaust fluid (DEF) injector nozzle due to selective crystal...
Ford technical service bulletin ASI-44402 for 2011-2014 Ford F-250 SD, 2011-2014 Ford F-350 SD and 2011-2014 Ford F-450 SD and others.
- Bulletin number
- ASI-44402
- Component
- Engine and engine cooling: engine: diesel
- Summary
- Ford: urea crystals are forming in diesel exhaust fluid (def) injector nozzle due to selective crystal reduction (scr) dosing of rk7 measurement test and may need to reinstall if zero or below specified 45-55ml. Model 2011-2014 f-super duty.
Owners of these vehicles have filed 99 complaints in the engine category.
Vehicles covered
- Ford F-250 SD 2011-2014 2011201220132014
- Ford F-350 SD 2011-2014 2011201220132014
- Ford F-450 SD 2011-2014 2011201220132014
- Ford F-550 SD 2012-2014 201220132014
- Ford F-650 SD 2011-2014 2011201220132014
- Ford F-750 SD 2011-2014 2011201220132014
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