I have regularly used these three (as available) in our diesels...
Wynn's Diesel Fuel Treatment (1-litre fleet can)
3CV Diesel Treatment (1L)
Miller's Diesel Power Plus
All three appear to be identical products - details and MSDS sheets on the web.
The cetane improver is naphthalene.
Just done a 'quick hit' (1:200) dose on our 2003 RAV4 D4D as I hadn't used it for several months, and engine was sounding and feeling a touch rough and lacking low-down torque. Went back to decent running within a day - so something needed cleaning out!
Have been using these products for nearly 30 years now (BX19RD onwards), and always with good results - particularly quietness and extra low-rev torque. Normal dosage is 1:1000 for regular use.
Some allegedly similar products don't measure up though, and have been found to contain little more than regular diesel. Worth checking the MSDS sheets; if unavailable, be suspicious.
Wynn's Diesel Injector cleaner
Moderator: RichardW
- white exec
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- Location: Sayalonga, Malaga, Spain
- My Cars: 1996 XM 2.5TD Exclusive hatch RHD
1992 BX19D Millesime hatch LHD
previously 1989 BX19RD, 1998 ZX 1.9D auto, 2001 Xantia 1.8i auto
and lots of Rovers before that: 1935 Ten, 1947 Sixteen, 1960 P5 3-litre, 1966 P6 2000, 1972 P6 2000TC, and 1975 P6B 3500S - x 1752