A: No. The steam produced is harmless to catalysts and DPFs. In diesels with DPF, normal dosing is safe; excessive continuous overdosing is not recommended.
A: Indefinitely as long as the fuel remains in use. If stored for over 1 year, re-dose before use. k 100 fuel additive
A: Yes, K-100 is compatible with most other fuel additives. normal dosing is safe