3511 2
UnclassifiedGeneral
What This Code Means
Insufficient filter regeneration; Filter flow resistance increased above critical values
Possible Causes
- •Prolongated city driving cycle (low exhaust temperatures)
- •DOC is damaged (no feed gas produced)
Related Winco Fault Codes
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Get a diagnosis walkthrough for 3511 2 on your specific Winco unit — cited to the OEM manual, not a forum guess.
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