my '03 Duratoq turbo diesel (1800cc) has just failed it's MOT due to
higher than permissable exhaust emissions. i was told that i would be
able to remedy this by giving it a good blast in the lower gears
(avoiding breaking speed limits) to "clear it out". is it this simple?
i want to avoid it failing at the retest (£20) if poss so can anyone
advise if this is a useful strategy? i must admit i do keep my eye on
the current MPG indicator on the trip computer and try to drive most
economically. should i become more lead-footed?
Best way to quickly lower the emissions would be to dump some Redex Diesel
Treatment in the tank, find a quiet road somewhere where you are going to
bother anyone and rev the nuts off your engine. You will get worrying
clouds of black smoke for a few minutes, but this will fall off as the
engine cleans itself out ;)
When you go for the actual retest make sure your engine is nicely warmed
up as this also helps a bit.
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