gallardodude Report post Posted December 27, 2017 Ok so after I completed an oil change (I followed the proper steps to change the oil) I went out on a quick spirited drive. After I returned my check engine 1-5 light came on. Then I use my OBD2 Scanner and the only code that came up is P1311. I've done some research on the forums and I guess EVERY Gallardo owner have experienced this error code at one point of their ownership. So can someone chime some light on this error code and tell me what I can do to fix this problem? I went ahead and erased the code and for now its cleared but I know after a few drive I am sure the same CEL 1-5 will come on again. I will report back to let you guys know if the CEL light will come back on after a few drive. On the LamboWeb theres a chart with all the error code translation and under P1311 its states its "Functional Check" I have no idea what Functional Check means but many people who have experienced this error code all said its not a big problem. So anyone who experienced this please let me know what I can do to fix it. Much appreciate it! Quote Share this post Link to post Share on other sites More sharing options...
doltmo Report post Posted December 29, 2017 Check out this thread on the forum: http://www.lambopower.com/forum/index.php?...37&hl=P1311 P1311 is an exhaust sensor pressure signal fault - maybe a plugged misfire tube Quote Share this post Link to post Share on other sites More sharing options...
git54ty Report post Posted February 12, 2018 Any updates? Quote Share this post Link to post Share on other sites More sharing options...
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