I've a 2010 Ford Focus 1.6 TDCi. Will remapping the engine's ECU really improve the economy? I'm getting 46- to 49mpg now and there are 57k miles on the clock (it's a UK import).
Filed under fuel economy and emissions - Asked by Denis O'Gorman (Galway) - Tue, 03 Feb 2015 14:06
Answered by: Neil Briscoe - Complete Car Adviser - @neilmbriscoe
Hi Denis,
Chipping an engine can be beneficial but to be honest I don't think it's really going to help you here. If you're already getting nearly 50mpg on average then you're doing pretty well as it is. Chipping might boost that a bit but you're into unknown territory then with engine longevity, you might drive up your insurance and you might find a chipped car hard to sell on again.
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