Just booked a service for tomorrow, and Honda told me they recommend using a fuel additive that cleans the engine and ensures clean running blah blah etc.

I said yes, but should I tell them no tomorrow?

 

Honda told you, or the dealer told you? The two aren't necessarily related....

Sounds like a way of getting a bit more cash out of you to be honest.

 

How much is it and what is it ??

Just add a bottle of 99p Redex to next fill up, will amount to the same.

 

It was

 

Just use Optimax, it cleans as it goes.

 

Sounds like the Fortis rubbish. Marshall honda added this to my service bill once without asking me. I promptly phoned back and demanded that the

 

I would do it but do it yourself for half the price. Modern fuels still varnish the fuel system and can knock a few % of the injectors flow rate. Once every 6 months should do it or once a year if your feeling tight.

 

They put it in mine at 72k without asking.

 

Well at 8.30 this morning I forgot all about it, so now have the additive. I can report that it hasn't doubled the engine power

 

Your money would be better spent getting your injectors ultrasonically cleaned for around