renault common rail pumps are renowned for shredding themselves on diesel, let alone petrol! its probably a lucas delphi or siemens pump, the bosch ones seem to be a bit hardier. very expensive repair if the pump shreds itself as the whole injection system has to be replaced to get rid of any traces of metal. pump, tank, pipes, filters, lift pump, fuel rai;, injectors, the lot! i would say it has definatly taken some life off the pump! watch this space...