falkirk1981 Posted April 20, 2015 Share Posted April 20, 2015 Hey folks I bought my subaru at the weekend....... I put a full tank of bp ultimate in and had a good weekend..... I thought I'd top the beast up and chose the tescos best unleaded as I was told it's the best for impreza to run on but my check engine light has came on???? Has this happened to anyone before??? Any ideas what the problem is or is it a straight to the garage problem. The light is solid and only came on after this petrol. I have checked the petrol cap to male sure it's on tight and let it cool down and Re started but still there i also notice the headlight beam leveller light has went off Any help welcomed Quote Link to comment Share on other sites More sharing options...
Tlag Posted April 20, 2015 Share Posted April 20, 2015 Did you use Tescos Momentum? That's 99 octane. It's possible that may be too much for your car if yours is a UK car. I doubt it but it's possible. Quote Link to comment Share on other sites More sharing options...
falkirk1981 Posted April 20, 2015 Author Share Posted April 20, 2015 Yeah that's what I used man I have a leaflet that says use 95 or 97 I think this may be the problem I have done 150 miles and topped up the fuel at the bp which is 97 then once I came out the tescos there the light came on..... It's weird I can only assume the petrol Quote Link to comment Share on other sites More sharing options...
Tlag Posted April 20, 2015 Share Posted April 20, 2015 The only real way to tell for sure is get the code read Quote Link to comment Share on other sites More sharing options...
falkirk1981 Posted April 20, 2015 Author Share Posted April 20, 2015 Okay man il pop it into the subaru garage tomo man thanks Quote Link to comment Share on other sites More sharing options...
Ladybug Posted April 20, 2015 Share Posted April 20, 2015 Just buy a cheap obd code reader from evil bay only cost about 15 and will save ya a fortune and give you any fault codes too Quote Link to comment Share on other sites More sharing options...
Sandals Posted April 21, 2015 Share Posted April 21, 2015 I've used Tesco Momentum before with zero issues... it could just be purely coincidental... but def get it checked out Quote Link to comment Share on other sites More sharing options...
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