Stop/start has stopped working

[Leeboystk]

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

[mjt]

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.

[unofix]

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.

 

[alexp999]

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 😉

[StephenFord]

@unofix I will give you 100% credit for the following, it's mentioned so often here I bookmarked it LOL