Octane corrector for Nubira\Lacetti\Forenza

Kostyafan · Post by **Kostyafan** » Thu Feb 03, 2005 10:03 pm

Hello.
In yellow sticker in the right of battery wrote "91". What do you have in this sticker?
What is the procedure for correcting this parameter to 95?

DomWoo · Post by **DomWoo** » Thu Feb 03, 2005 10:26 pm

usually the octane rating is the lowest octane you should run

Post by **PrecisionBoost** » Sat Feb 05, 2005 3:05 am

oddly enough I found some kind of "octane sensor" circuit on the European daewoo's.... it doesn't exist on the north american models.

Perhaps you have this feature and your car will automaticly adjust for the higher octane.... if I get some time I will dig into the matter futher.... it seems to be the only real difference between the Euro Spec engines and the ones we have in North America.

genie47 · Post by **genie47** » Sun Feb 06, 2005 4:30 am

Some of the Singapore owners have sent their Optras to the dealer to change this circuit so tha the can adjust to RON95 fuel.

Post by **Efratech** » Sun Feb 06, 2005 7:14 am

My old 1.5 TBI engine had a sensor wich only i had to turn around...

that way i could change the ecu's reading for octane.

Efrain.