What's up with my Land Rover's stop-start?

Had my car's stop-start checked by Land Rover when it didn’t operate. They said it was the battery. They fitted a new heavy duty battery and the stop-start worked for about a week... It now only works with fan off. Could this be due the recent heat wave and use of the air conditioning? Very temperamental. Advise if possible.

H Stokes

Harry Stokes (Bedford)

Aug 2019 Filed under: fault

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Expert answer

Hi Harry,

The most likely culprit is that there’s some electrical item draining the system as you’re driving. Or, possibly if you’re only driving for short hops, the engine is still in its warm-up phase and can’t be shut down by the stop/start. Or, and this is a wild guess, Land Rovers often have flakey electrics. 

Maybe read our Why won't my car's stop-start system work? feature for further understanding. We get a lot of questions like this.

Neil Briscoe - Complete Car Advisor
@neilmbriscoe