My newbie question! I've been driving an Auto 2004 Toyota Avensis petrol 2 litre (tspirit) and have had the EML come on and three fault codes come up for 3 of the 02/Lambda sensors. Im planning to replace all 4 and it seems they are not cheap- circa £120 +VAT from Mr T. I've searched the site and it seems that some have used Denso branded sensors from europarts..though I've searched through the online site and only two of the Denso sensors showed up coming in around £80 odd each. Any advice on w