What kind of performance drop can I expect if I have yo refill with regular fuel? 2019 Cupra 290
missmouse Active Member Jan 22, 2024 56 5 Feb 12, 2024 #1 What kind of performance drop can I expect if I have yo refill with regular fuel? 2019 Cupra 290
Mr Mustard Active Member Jan 24, 2015 154 33 South East Feb 12, 2024 #2 I am half way through testing for any difference over multiple tanks (brim to brim, not using car's fuel computer) of each in my 2019 Cupra. Also testing with Dragy for any difference in 30 to 70 times. By no means scientific, but will be interesting to see if any difference. Reactions: missmouse
I am half way through testing for any difference over multiple tanks (brim to brim, not using car's fuel computer) of each in my 2019 Cupra. Also testing with Dragy for any difference in 30 to 70 times. By no means scientific, but will be interesting to see if any difference.
redone Active Member Nov 28, 2023 64 24 Feb 13, 2024 #3 ecu learns the fuel grade over a number of cycles/tanks. also fuel batches are not consistent, even when supplier and grade are. have a local tesco so just put momentum in. 5% seems a reasonable guesstimate. Reactions: missmouse
ecu learns the fuel grade over a number of cycles/tanks. also fuel batches are not consistent, even when supplier and grade are. have a local tesco so just put momentum in. 5% seems a reasonable guesstimate.