Hi guys, opinion please?

I hear many bad things about tesco and all the rest quality of petrol

this is no doubt true but what should i do? is a good option to get some carb cleaner like redX or something? Your thoughts are most welcome

I have an old mondeo MK2 1996 1.8 manual/petrol zetec

 

depends who you listen to. tesco fuel i believe is supplied by esso? it's not like supermarkets decided to start selling fuel so opened up their own refinery (sp).

for example tesco momentum 99 is meant to be the absolute dogs swingers of fuel and a real rival to shell v-power.

on a 1.8 standard zetec engine though i really wouldn't worry, just put in what ever is nearest/cheapest.

 

yes of course, that makes perfect sense - just wondered if my carb could do with a spruce up due to the low grade petrol it is alleged comes from the basic 95 pertrol served up on the supermarket forecourts?

 

Your car is efi, no carbs in sight.

 

EFI? SO would it benefit at all from any petrol treatment?

 

Some say yes, other's say they're just snake oil. I wouldn't bother.

 

I think you would do better on a push bike save all of the ones who can drive and dont have to worry about your Ł20 mondeo

 

XR4iSilver - dont understand ur comment and making a dig at my car is pointless - my ego is not attached to it

 

i've not yet found a treatment that works, if there's a problem then there's only 1 way to fix that problem.

 

Hello John_p_b - thanks for the advice - nothing really to report, just wondering if im clogging up the system using inferior/cheap petrol

 

Fuel additive is really a thing of the past now, as is de-carbonizing.

Modern fuels have improved, so they burn more efficiently than before.

I have heard 'stories' about supermarket fuel, but nothing more, I have used them in the past without problem, as said it all comes from the same place and it has to meet a unified standard!

Martin

 

Bit harsh.

I don't use supermarket fuel unless I have to but I did find that Asda's fuel didn't last as long.

 

De-carbonizing is more important than ever now with DI, but no fuel additive will help with that. To the OP, you can try some and it might make the engine feel a bit smoother but otherwise I'd keep throwing in whatever's cheapest

 

Thanks everyone, guess i'll carry on as normal, big thanks to y'all

 

With Diesel's you will always have massive carbon (I assume that is what you mean) but I referred to Petrol whose quality is better now than before, not to mention modern engines are far more efficient.

Martin

 

Probably about twice the price of your XR4i then?

 

 

i guess in a nutshell, is petrol from tesco gunking up my fuel system?

 

I doubt it, your average cars like your Mondeo are desgined to run on average pump fuel so it won't really be doing any harm at all.

 

Have used tescos fuel for years, never had an issue

 

 

ditto, and in all manner of cars too

 

I have used supermarket fuels for years as there is only esso round here that is not supermarket never done any harm

 

i doubt it, next time your at tesco's look how many people are using that fuel, up and down the country same story. if there was a problem with supermarket fuels it would be widespread and on the national news.

most fuels do come from the same place, the differances are the additives that are added by the seller. supermarkets are cheap so they will not be adding the same stuff bp/shell etc will be adding, hence the quality of the end product is not as good.

 

i'd say supermarkets are cheep, as they are not after the profits from fuel that the others are, they want you in their store buying your shopping, thats where they make there billions, but lure you there with offers , like cheeper fuel

 

I suppose if you've got a mega performance motor, then it'd be beneficiary to use high octane petrol all the time? I usually do a couple of tanks of normal unleaded then do a full tank of high octane stuff, either from tesco, shell, bp or esso. I don't really notice a difference in running or performance though.

 

Again, thanks guys for taking the time to reply, some common sense - absolutely awesome! interestingly i did try some of the super fuel and the car seemed a little zippier, ever so slightly..or was that in my mind or even the cars

 

supermarkets actually make very little and often a loss on fuel, they offset the loss through the tax they pay....or something like that. my mate was telling me how they do it he owns a few petrol stations and was moaning about how low they were pushing the prices down.

the fact still remains they sell a basic fuel which they produce as cheap as possible

 

my work van conked out a while back and when the dealers found out the problem.(blocked fuel filter), he correctly guessed that i was using morrisons diesel. allegedly they dont put winter additive in and ends up leaving a waxy deposit in the system when its cold. so if thats true with diesel then petrol is bound to be produced cheaply meaning lesser quality. couldnt say if its morrisons alone or all supermarkets though

 

my boat engines will not run on tesco fuel. asda ok and so is morrisons. when i used tesco they run as though timing is out and as soon as i connect a tank with fuel from somewhere else they run perfectly. in my case i mixed 50/50 with asda fuel fuel and engines ran perfect. i have tried this twice, and to rule out a bad batch did it 3 months apart. tesco fuel is s**t as far as my boat engines are concerned, but have never had a problem with using it in any of my cars. the boat is only used in the summer so winter additive is not the reason.

 

last time i bought a jerry can of diesel it was from morrisions. it didn't look nice and it didn't smell nice, not really scientific i know but still!

i've used both petrol and diesel from tesco and morrisions in various cars over the years with no issues, expect cars with carbs, which seem to run smoother on shell fuel...

 

From the thread title I was expecting to see car parking horrors from Warren again pmsl

 

 

cant comment on petrol
but the supermaket diesel is definately differant
if you get a litre of asda/tesco etc diesel in a glass jar
and a litre of bp/shell etc diesel in another glass jar
let them settle for 24hrs, the cheap diesel stays looking cloudy
this is due to a higher bio diesel mix in it
its not good for egr valves etc
we normaly find cars that do long journeys etc are fine with it
but short stop start journeys(shopping trolleys and taxi's etc) seem to suffer badly
the egr valve gets gummed up and cause running issues
injectors and high pressure pumps dont last as long etc
this is all based on personal experience over the last few years working on mostly modern diesel cars
obviously i have never done any scientific testing but this is what i've found
also, the fuel does come from the same refinery as the bigger filling stations,
but it comes from differant tanks processed with differant additives for the supermarkets
so the fuel is definately differant, but i dont know whats differant about it
i know several people that work in and drive tankers for the bp refinery in grangemouth
and they have all confirmed that the supermarket fuels are processed differant to their own bp fuels etc

 

Agree with this 100%, people assume because somethings cheap its shit quality. It all comes from the same place, only difference being is additives added. Supermarket fuels will drag you in, and while your there you may aswell pick up this, oh and ill get this too, ooh this is on offer, BOOM trolleys full

 

I've used morissons unleaded in all my cars for years......

 

My 924 runs better on tesco momentum that it does on shell v power

 

Fact - supermarket fuel is the same base fuel as branded fuel

Fact- supermarket fuel doesn't have the same additive packs at delivery as branded fuel

Fact - over long term branded fuel protects the engine better and ther will be less carbon deposits, gummed up egr valves etc. it's your choice. Every car I've ever had ran better on branded fuel.

 

I try avoid asda fuel yet I work for them lol, my old mk2 golf ran lumpy on their fuel so use it as a last resort

 

i drive a 1.8 diesel escort van and the fuel i use makes a huge differance
sainsburys is the lowest mpg of all