Diesel Purge vs Diesel System Cleaner, what's the difference and which one is best to use in maintaining the fuel system. I've used the latter myself using Thomaspin procedure.

Thanks.

I think the system cleaner for every fill up or so, whereas the purge is something you use every 6 months. Purge can be put into the tank, but you get the most effectiveness from doing the purge procedure.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member

Lubro-Moly Diesel Purge really should be used straight out of the can @ the injection pump (instructions enclosed with each can bought). Pouring it into the tank w/diesel fuel dilutes it too much and negates any benefit. I've used it before and it works real well if you follow their directions.