Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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Having a discussion on puma forum, heres how it went
Someone posted saying that supermarket fuel killed his cat...
quote: As above, Supermarket fuel is cheaper, although supposedly supplied by major petrol companies, but Supermarket fuel clogged up my Milltek catalytic converter, my theory is that the so called 'cleaning agents' are not added to supermarket fuel, standard petrol station unleaded fuel is a lot better, and if you find a petrol station near to a supermarket, the price will be about the same too.
My ECU has been updated, so i can use 99RON petrol if required, i used Shell Vpower to blow the crud out of the catalytic converter, but without having your ECU updated to run higher octane fuel, you are wasting your money by using it.
Vpower petrol is good, but so too is standard Shell unleaded, BP's so called 'Ultimate' unleaded, makes my Puma run down on power, until i fill up with Shell unleaded again.
I replied
quote: sorry but iv never heard of fuel clogging up catalytic converters, what was your cat clogged up with exactly? also who told you it was because of supermarket fuel? if soot then your car is probably running too rich
His reply
quote: Told this by Richard at Tremona, an excellent mechanic, and passionate Ford RS owner, who is the only man i trust implicitly to work on my Puma, and who asures me that he would not even use supermarket fuel in his petrol lawnmower either, converter clogged up by reside from supermarket fuel covering baffles, causing engine management light to come on every 100 miles or so, car ECU updated by Tremona, along with many others here too, so no running rich problems, quite the opposite, car runs very economically now.
Ran car to Devon and back a few times, visiting friends, 350ish mile round trip, using Shell Vpower petrol to clean the cat out, no engine light has appeared since.
My reply
quote: Never heard of people EML's coming on from using supermarket fuel, or clogged cats etc.
Maybe he is correct, however always being the suspicious type, it would have not been unheard of to hear that stories of this nature might be generated to help sell items or services, such as remaps
however that is all merely reading between the lines
Im quite happy to be proven wrong but iv never heard of people cats getting clogged or eml's etc, and is seems strange how this guy at Tremona has seen it a lot, oh..and he happens to sell a remap that fixes it
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whitter45
Member
Registered: 15th Nov 02
Location: Norton
User status: Offline
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didnt loads of people have EML issues when the bad batch of tesco fuel
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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yes, but that was just a dodgy batch of fuel, seemed to be only tesocs that was affected, not supermarket fuel in general
[Edited on 15-04-2010 by Steve]
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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when tesco had the problem with fuel it caused peoples o2 sensors to play up
(i think it was o2) never heard of cats being clogged myself
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whitter45
Member
Registered: 15th Nov 02
Location: Norton
User status: Offline
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i dont seem to get as many miles out of the supermarket fuel - although tesco 99 was better than Vpower in my TT
[Edited on 15-04-2010 by whitter45]
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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yes this guy is suggesting that its not a once off dodgy batch of fuel, hes saying if you use supermarket fuels over a long period of time they will clog your cat
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SetH
Member
Registered: 15th Jul 01
User status: Online
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He sounds like a guy that doesnt really have any rudimentary engineering knowledge whatsoever and just spews off what he finds on google and whatever his mechanic says is the word of god.
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Fro
Member
Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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I've used suprmarket fuel 99% of the time for nearly 4 years and have never had problems with any of my cars and they have run fine.
I dont see how it can clog up a CAT either. More so i cannot see how vpower would unclog/clear out a cat
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Ojc
Member
Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
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quote: Originally posted by SetH
He sounds like a guy that doesnt really have any rudimentary engineering knowledge whatsoever and just spews off what he finds on google and whatever his mechanic says is the word of god.
Exactly the conclusion I came to.
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Fro
Member
Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
User status: Offline
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quote: Originally posted by SetH
He sounds like a guy that doesnt really have any rudimentary engineering knowledge whatsoever and just spews off what he finds on google and whatever his mechanic says is the word of god.
and its customers like him that have paid for his mechs RS
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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515bhp on tesco fuel. No drama.
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l15ter
Member
Registered: 1st Feb 08
Location: Berkshire
User status: Offline
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its true, my cat is always clogged up, but its ok cause i unclog it with my tescos clubcard
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3CorsaMeal
Member
Registered: 11th Apr 02
User status: Offline
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my car has done 186,000 on supermarket fuel and the cat is still fine
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P1CK4D
Member
Registered: 19th Jun 06
Location: Around Essex Somewhere
User status: Offline
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If he has a garden worthy of a petrol lawn mower he must be pretty minted. Obviously chatting crap has helped him greatly to achieve such a big garden. I run an Japanese Imported car on Tesco petrol and not a single problem. Its the cheapest, so of course i'm going to go there.
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Paul_J
Member
Registered: 6th Jun 02
Location: London
User status: Offline
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It's a little known fact... that if you fill your car up with diesel ultimate (and your car is a petrol) you'll gain 20 bhp.
It's all to do with how cool the diesel fuel burns. Allows you to up the engine rpm to over 15,000 rpm.
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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the internet is full off gobshite fake know it all types. Why would you only trust one person to work on a puma? Are they a specialist car steve like a porsche or lambo?
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Fro
Member
Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
User status: Offline
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Have they replied to your other comment Steve?
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spikedjack
Member
Registered: 16th Oct 08
Location: wolverhampton/cannock
User status: Offline
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quote: Originally posted by Nic Barnes
the internet is full off gobshite fake know it all types. Why would you only trust one person to work on a puma? Are they a specialist car steve like a porsche or lambo?
this
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Limecat
Banned
Registered: 25th Jun 05
Location: The Internet
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Of course petrol will kill a cat, they drink milk or water for fucks sake.
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Corsa_Quadz
Member
Registered: 24th Feb 08
Location:
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Sounds like a right twat to me
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ShEp
Member
Registered: 9th Aug 05
Location: Dingwall, Highland
User status: Offline
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It's myth all this supermarket fuel pish.
It all comes from the same refinery, (sp)
I used to work at the petrol refinery in Inverness and al the petrol stations from around here got filled up from there with the same fuel.
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Richie
Member
Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
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I have to speak up on this one but take it how you may....
I own a Renault Megane 1.5Dci and I used to live near a Tesco filling station which I used on a regular basis for full tanks of Diesel.
My engine kept going through EGR valves every 6 to 8 months. After the 4th time I asked the dealer to look into it further because it was taking the piss. Each time, the EGR valve was clogged black with soot which Renault central said was from using poor quality fuels.
Ever since, I have used nothing but BP Ultimate Diesel, and in nearly 18 months I havent had any issues whatsoever.
May be a coincidence but thought it was worth saying
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l15ter
Member
Registered: 1st Feb 08
Location: Berkshire
User status: Offline
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quote: Originally posted by Richie
I have to speak up on this one but take it how you may....
I own a Renault Megane 1.5Dci and I used to live near a Tesco filling station which I used on a regular basis for full tanks of Diesel.
My engine kept going through EGR valves every 6 to 8 months. After the 4th time I asked the dealer to look into it further because it was taking the piss. Each time, the EGR valve was clogged black with soot which Renault central said was from using poor quality fuels.
Ever since, I have used nothing but BP Ultimate Diesel, and in nearly 18 months I havent had any issues whatsoever.
May be a coincidence but thought it was worth saying
Does your mechanic own a Ford RS
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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Kurt
Member
Registered: 23rd Oct 05
Location: Hi
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What engine oil is he using?
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