Do you have any feedback on fuel-saving devices?

Do you have any feedback on fuel savers that plug into a car's tuning system that are being marketed at the moment?

Asked on 15 August 2022 by Ian Hanson

Answered by Lawrence Allan

We have many messages about these. To date, we have not seen any reliable testing or scientific evidence to prove that these OBD port 'fuel-saving' plug-in devices do anything at all, let alone deliver the bold claims put out by the makers.

Tags: fuel economy fuel

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