Currently, we are currently receiving many questions about the use of E10 fuel for Saabs. E10 is a gasoline that can contain up to 10% of bio-ethanol made from corn. With this addition, the government hopes to reduce CO2 emissions. Since October 1 this year, every petrol with an octane rating of 95 will become E10 in The Netherlands. Petrol with octane 98 is usually the traditional E5 petrol. Check this at your petrol station, the pump should have an E5 or E10 decal. If you have problems with E10, fill up with Euro 98 E5 or any other premium E5 petrol with a higher octane number.
Can your Saab run on E10?
The official websites are not particularly clear on this matter and most simply mention 'Saabs from the mid-80s are suitable for E10'. Since Saabs from before and after that period do not always differ much, it is still not entirely clear when E10 could be harmful.
In theory E10 can cause poorly running engines. This can manifest itself in faltering, poorer torque figures, lower turbo pressure and perhaps a Check Engine light to lighten up. You normally know this after refueling once or a few times.
In theory, E10 can cause damage to certain rubbers and / or aluminum parts in the fuel system. We are not yet aware of (bad) experiences with E10 - although such damage can only occur after a few tens of thousands of kilometres. It is true that in recent years, fuels have been given more and more environmentally friendly components, which can cause problems in particular when parked (spoilage and caking of petrol). In any case, the advice would be that if the car is parked for a longer period of time, E5 will need to be refueled before storing.
Do you have a modified Saab: use 98 E5 or any other E5 premium petrol with a higher octane number.
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