Papster Posted April 8, 2019 Share Posted April 8, 2019 Hi guys ... I have a focus zetec s 1.8 petrol on an 09 plate ... popped in a k&n air filter in a few days ago with the bung out (it sounds nice) but tonight the eml came on. No loss in power or limp mode and car drove exactly as it should so was just wondering what it could be. Done the self diagnostic on the dash and no DTC codes was shown so just wondering it the filter has messed with MAF sensor or could it be something else. I unfortunately do not have a code reader which is a pain Many thanks in advance Simon Quote Link to comment Share on other sites More sharing options...
stef123 Posted April 9, 2019 Share Posted April 9, 2019 It could be absolutely anything, related to the work you’ve just done or coincidence so there is no point in anyone guessing until it’s been plugged in. Quote Link to comment Share on other sites More sharing options...
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