There is a lot of confusion over the term "veggie oil".
Some types of Bio-Diesel contain chemicals which attack rubber, and thus
some types of seals in the injector pumps.
If you are talking of using Straight Vegetable Oil, as in rape seed oil or
similar, then this does not apply. What does apply is the higher viscosity
of the oil, which might make cold starting on colder days very difficult if
you use too high a concentration. SVO has a higher lubrication value than
diesel, so that acts in your favour provided the concentration is not too
I run my 1995/7 306TD on (90% winter 100% summer)on bio-diesel from
There is a kit you can buy (Google [what else] for price and
availability which is designed to make non-mineral diesel easier to
use (its the glycerine which is the bugbear apparently)
I have an email from Peugeot which states that all their engines can
run on bio-diesel but that HDi engines should pref have some mineral
diesel in the mix .
However local suppliers wife runs her Citroen ZX on 100% last 3 years
with no probs (isn`t thsat a PUG engine ? )
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