Start-Stop error when fuel is low

[notpeppe]

Hello

I have this issue on my 2013 5F Leon 1.4TSI where Start Stop shows an error when starting up the car if it has less than 180-200km of range. As soon as i fuel up over 3 bars/200km of range the issue is gone.
I don't think it's a coincidence because it happened a few times now.
Has anyone had this issue? I'm sure it is a software problem but I don't have the tools or knowledge to try fixing it myself. The official SEAT workshop told me it's due to the fuel injectors but I don't think this is the issue because as long as there is more than 180-200km of range left there is no error. They scammed me once already, so I'm not going again.

Thanks
notpeppe

 

[RUM4MO]

That sounds like a weird problem, I agree with you with regards to your SEAT workshop's diagnosis, there must be something that is nor working correctly.

 

[SuperV8]

From here:

Start / Stop

Hi, Just been out in my MK3 and the start / stop doesn't appear to be working. Can anybody off any advice? It worked fine yesterday. Cheers

www.seatcupra.net

Basic requirements for the Start-Stop mode
● The driver door must be closed.
● The driver must have their seat belt fastened.
● The bonnet must be closed.
● The vehicle must have travelled at more than 4 km/h (2 mph) since the
last stop.
● The vehicle cannot be towing a trailer



The system can interrupt the Start-Stop mode frequently for
different reasons.
The engine does not switch off
Before the stopping phase, the system verifies whether certain conditions
are met. The engine does not switch off, in the following situations for example:
● The engine has not yet reached the minimum required temperature for
the Start-Stop mode.
● The interior temperature selected for the air conditioner has not yet
been reached.
● The interior temperature is very high/low.
● Defrost function button activated ⇒ page 135.
● The parking aid* is switched on.
● The battery is very low.
● The steering wheel is overly turned or is being turned.
● If there is a danger of misting.
● After engaging reverse gear.
● In case of a very steep gradient.


The indication  is shown on the instrument panel display, and in addition,
the driver information system* shows, .
The engine starts by itself


During a stopping phase the normal Start-Stop mode can be interrupted in
the following situations: The engine restarts by itself without involvement
from the driver.
● The interior temperature differs from the value selected on the air conditioner.
● Defrost function button activated ⇒ page 135.
● The brake has been pressed several times consecutively.
● The battery is too low.
● High power consumption

 

[notpeppe]

From here:

Start / Stop

Hi, Just been out in my MK3 and the start / stop doesn't appear to be working. Can anybody off any advice? It worked fine yesterday. Cheers

www.seatcupra.net

Basic requirements for the Start-Stop mode
● The driver door must be closed.
● The driver must have their seat belt fastened.
● The bonnet must be closed.
● The vehicle must have travelled at more than 4 km/h (2 mph) since the
last stop.
● The vehicle cannot be towing a trailer



The system can interrupt the Start-Stop mode frequently for
different reasons.
The engine does not switch off
Before the stopping phase, the system verifies whether certain conditions
are met. The engine does not switch off, in the following situations for example:
● The engine has not yet reached the minimum required temperature for
the Start-Stop mode.
● The interior temperature selected for the air conditioner has not yet
been reached.
● The interior temperature is very high/low.
● Defrost function button activated ⇒ page 135.
● The parking aid* is switched on.
● The battery is very low.
● The steering wheel is overly turned or is being turned.
● If there is a danger of misting.
● After engaging reverse gear.
● In case of a very steep gradient.


The indication  is shown on the instrument panel display, and in addition,
the driver information system* shows, .
The engine starts by itself


During a stopping phase the normal Start-Stop mode can be interrupted in
the following situations: The engine restarts by itself without involvement
from the driver.
● The interior temperature differs from the value selected on the air conditioner.
● Defrost function button activated ⇒ page 135.
● The brake has been pressed several times consecutively.
● The battery is too low.
● High power consumption

Thank you
It isnt just deactivated though, its showing an error and the check engine light starts flashing

 

[liwich]

The same happened to me this week, the problem was contaminated fuel, they had to clean the fuel container and the combustion chamber, 130USD in the dealership