russvr6 0 Posted February 24, 2009 Report Share Posted February 24, 2009 a while a go my corrado came up with oxygen sensor on vagcom so i replaced it with another genuine one and its come up again and we are only talking a couple of months. It also comes up with code 00537 which is lambda upper limit which it says could be fuel pump or fuel pressure regulator Link to post Share on other sites
rigs 0 Posted February 24, 2009 Report Share Posted February 24, 2009 Check your fuel pressure then? Link to post Share on other sites
russvr6 0 Posted February 24, 2009 Author Report Share Posted February 24, 2009 how do check fuel pressure Link to post Share on other sites
rigs 0 Posted February 25, 2009 Report Share Posted February 25, 2009 With a pressue gauge on one of the nipples on the fuel rail... Link to post Share on other sites
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