I won't use Sainsburys fuel anymore despite having one spitting distance from my home. Valdermort used to fill up there for convenience and the car would always pink its nuts off and drove baddly. When I filled it up at Shell the pinking cleared and it drove nicely again until she filled up at Sainsburys again. Despite me telling her countless times that the fuel was shite and to go to Shell or Tesco for the 99 she would piss and moan about the 1p a litre higher price. Ermmm 1p more or save the penny and have car that drive baddly??? Ermmm. That's women for ya