Not as far as a quick Google can tell, but car manufacturers have recommended using petrol with detergent since fuel injection became widespread. From personal experience, we've run fuel injected cars since 1994, and all have been run almost solely on Tesco petrol since then. We've never had a single fuel injection problem. In fact, the one case I've experienced of dirty petrol clogging up a carburettor has been whilst using branded stuff!!
I don't know what additives are put in supermarket or branded fuels - I doubt many people outside the oil companies can answer that definitively, but personal experience has proved that cars run the same on each, and no long-term damage seems to be done. For the over-cautious, surely a glug of fuel additive every few months is cheaper than spending £3 extra on each fill-up (based on 60 litres of branded stuff costing 5p/litre more).
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Slight change of subject but what petrol/diesel price gap are others seeing at the moment. Sainsburys (Weedon Road Northampton) are currently asking 84p/litre for unleaded but 92p/litre for diesel. Could not quite make out Tesco in Watford from the train this evenining, but had impression that both were well down in the eighties.
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Petrol 84.9 & diesel is 89.9 in Liverpool.
I always fill my car to the top as soon as the level gets below quarter full and I'm passing a cheap outlet (usually about 45 litres). If I'm on my way home from a long journey I'll put say £10 worth in on the motorway to get me home, (not Yorkshire I may add) but only if I risk running-out altogether.
Had to smile at the local supermaret tonight, the chap in the queue in front of me put £5 in. He's probably been doing that since 1975!
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Petrol 84.9 & diesel is 89.9 in Liverpool.
Same in County Durham
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Normally I use Tesco unleaded but for the last two or three weeks I've been filling up with Tesco's 99RON offering (due to the youngest offspring giving me a 5p a litre off voucher).
I must confess that the Bora 1.6 16v is running much more smoothly as a result. See:
www.greenergy.com/products/99_octane.html
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What\'s for you won\'t pass you by
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Greg - does the EU spec state that detergent additives be included in the fuel ?
I don't think you can buy any retail petrol in the UK that doesn't have detergent - not since about 1994/5 anyway.
I know a certain motor industry consultancy where engine tests are done and they have to have detergent-free petrol specially supplied at great expense!
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As long as it conforms with the EU spec (which they all legally must do),
I thought fuel in the UK was sold to BS spec this is what it says on the pumps and this is slightly different to the EU directive on vehicle fuel standards.
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