2 replies to this topic

[Dmsee]

i was concerened with O2 sensors whether to change them or not

in full tank i got 367 miles whcih showed milage 20.4 in city USING 93 OCtane

next tank i filled up with 87 octane got the same distance but in 367 miles 80 of them were highway 70-75mph 2.700-3000rpm and on octane 93 i all the time rode in city conditions

is this mileage normal for volvo 850 GLT because i heard people geting 24-28mpg


so guys what is your opinion about octane should i use 93 because manual recomends it or just to keep using 87 and saving money i thing i will get something from 93 octane but not much 20-30 extra miles and this is extra gallon can almost cover half of the price of 87 (20 cents more than 93 - 9 gallons half a tank)

are my o2 sensor oK with that milage

[Dmsee]

No help?

[MadeInJapan]

I don't know what you're complaining about with just over 20mpg in the city. That's what I get. If I only drive the highway, I get 29 or 30. With a combination, I get around 25. Yes, use only high octane gas...that's what your owners' manual recommends and that's what's best for your car as well as what's best for gas mileage.