What do Tesco do to their fuel??

nodiscount

I have to say tesco fuel made the engine management light come on twice....in TWO different cars. Both BMWs though.

photome

Lovelyjoolz wrote: »

Helpful. Thank you. I'll forward your thoughts to VW. Perhaps they'll redesign the whole range on your say so?

Not as daft as it sounds, emmissions and european regs are making it very difficult for engine manufacturers to conform without there being some problems with some fuels

Our fleet of Kias experienced many problems last winter on a variety of different fuels

funkycoldribena

I was getting 45mpg on Tesco fuel, now I use Glenfiddich I get 49mpg.

WTFH

I find Tesco petrol gives me terrible hangovers. Barrettines is my favourite.
http://www.amazon.co.uk/product-reviews/B002ATI4VG

bigjl

My old mk3 Mondeo tdci was very sluggish on supermarket fuel, as is my Volvo V50.

Wife uses Tesco all the time and don't notice any difference when I put BP or similar in it.

Though after four years the injectors are certainly a lot noisier than when purchased.

The only way I can explain the Mondeos behaviour was as if the handbrake was on.

It also used to smoke more and do at least 5mpg less.

Mate i sold it to didn't believe me but reported back a few months later that I was indeed correct.


I did notice that Tesco fuel with 2 stroke oil was slightly better.

I don't know why there is such a performance difference but I would also suspect it is to do with lack of or use of cheaper additives.

The guff about it meeting EU standards is misleading IMHO as just because it meets minimum standards doesn't take into consideration that perhaps BP, Esso, Murco, She'll or Texaco are actually a bit better than EU minimum standards.

I have not noticed the lack performance and extra smoke when I used a Tesco fuel station that sells Esso branded fuels.

There is too much anecdotal evidence suggesting differences for there to be nothing to it.

If the OP thinks their car ran differently then normally again afterwards then I have no reason to argue.

Not sure why anybody would disagree with something a car owner has noticed when they didn't drive the car.

Some people don't notice they have a flat tyre, some don't notice the oil light coming on.

We are all different.

bigjl

One thing just occurred to me.

There is an EU standard for fuel.

But is there an EU standard for additives?

Is it possible that the minimum EU standard for fuel is being met but this minimum standard is expected to also have a decent additive package added to make it the engine perform as well as it can.

The only difference between supermarket diesel and the rest is the additive package.

Those who want to use supermarket fuel are more than welcome.

But they should respect the opinion of those that can perceive a difference and chose to vote with our feet, or wheels in this case.

Iceweasel

An excellent thread - we've had a laugh -well at least I have - unlike what usually happens when we discuss the relative merits of different brands of fuel.

I see no-one has yet picked up on bigjl's comment on adding 2-stoke to Tesco's diesel.

That's probably sacrilege to some folks - a bit like adding coke to 15 year old malt whisky.

Cue the next joke ......

bigjl

There are benefits to adding a little two stroke.

I just added that as it seemed relevant.

And does add a little bit more weight to the opinion that lack of or poor quality additives is the issue.

One other thing on the EU standards.

If they were the be all end all why do additive packages exist?

Just a thought.

Moto2

bigjl wrote: »

There are benefits to adding a little two stroke.

I just added that as it seemed relevant.

And does add a little bit more weight to the opinion that lack of or poor quality additives is the issue.

One other thing on the EU standards.

If they were the be all end all why do additive packages exist?

Just a thought.

Are all 2 stoke oils the same?
I only ever use Yamalube 2R in my bikes, the stuff from garages makes them feel all lumpy
Don't believe anyone that tells you there's no difference

timbo58

Never heard of a problem with relatively modern car engines but have heard of many classic bike engines particularly 2 strokes that will have anything from minor misfiring all the way up to damaging pistons etc from cheaper fuel which seems to have more ethanol.

So much so I would refrain from using supermarket fuel in my old motorcycle and always use an ethanol treatment in any case after a non starting issue some years ago at a motorway filling station.

I also agree with Moto2 that only a decent JASO specification 2 stroke oil is worth having although 'horses for courses' an older classic bike really only needs a quality semi synthetic oil