Major fuel system damage can occur when DEF is introduced into the fuel system
Western Star technical service bulletin 14 TS- 13REV for 2002 Western Star 4700.
- Bulletin number
- 14 TS- 13REV
- Component
- Engine and engine cooling
- Summary
- "Major fuel system damage can occur when DEF is introduced into the fuel system. A no-start condition, engine overspeed, or engine ran backwards complaints can all be caused by DEF in the fuel system. Likewise, DEF system damage can occur when diesel fuel is introduced into the DEF system. DEF quality fault codes (SPN 3364) and NOx conversion fault codes (SPN 4364) can be caused by diesel fuel in the DEF system."
Vehicles covered
- Western Star 4700 2002 2002
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