Leeboystk Posted March 30 Share Posted March 30 My 2015 1.5 diesel focus has ran like a beast no problem at all with it since I got it in 2018 but recently noticed that the stop start hasn’t been working any tips on how to fix this would be a great help. Also a complete noob when it comes to cars so maybe something daft that I haven’t realised to fix it checked the settings in the car menu aswell and everything is saying that the stop start is on Quote Link to comment Share on other sites More sharing options...
mjt Posted March 30 Share Posted March 30 This is pretty normal. As your battery ages and loses a bit of capacity the ECU will start turning off functions like this. Exactly the same happened on our old Mk3. When first bought (used) start/stop worked sporadically for a while then eventually stopped working altogether and didn't work again until I put a new battery on several years later. It didn't bother me as it saves a lot of wear and tear on the starter and ring gear. 1 Quote Link to comment Share on other sites More sharing options...
unofix Posted March 30 Share Posted March 30 3 minutes ago, Leeboystk said: but recently noticed that the stop start hasn’t been working Don't recall seeing anyone report that before 🙄 Oh wait a minute, it has been mentioned once or twice. Search Stop/Start and read any of the two hundred threads on the subject. 2 Quote Link to comment Share on other sites More sharing options...
alexp999 Posted March 30 Share Posted March 30 2 hours ago, unofix said: Don't recall seeing anyone report that before 🙄 Oh wait a minute, it has been mentioned once or twice a day. Search Stop/Start and read any of the two hundred threads on the subject. FTFY 😉 1 Quote Link to comment Share on other sites More sharing options...
StephenFord Posted March 30 Share Posted March 30 @unofix I will give you 100% credit for the following, it's mentioned so often here I bookmarked it LOL 1 Quote Link to comment Share on other sites More sharing options...
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