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[Martin_1962]

Motorway today 18-20 one way and 30 or over back

strong head wind & high speeds (over 3500rpm)

[Chopsdad]

It depends where you live too - up north we have things called hills which seriously affect MPG.  Best run Iv'e had was 20/25 miles in slow traffic on an A road - 50 mph average returned 40 MPG - round town daily drag 22 MPG.

[Nige]

I have a 2.2 sport estate auto, cannot get above 29.5 on a tank of petrol even driving like miss daisy!
Do a daily run to work 40 miles along dual carriage and motorway (at about 70ish), seems like all you guys get better economy maybe i need to clean something ?

[TheBoy]

I have a 2.2 sport estate auto, cannot get above 29.5 on a tank of petrol even driving like miss daisy!
Do a daily run to work 40 miles along dual carriage and motorway (at about 70ish), seems like all you guys get better economy maybe i need to clean something ?

Clean all the breathers thoroughly, and throttle body as well.  On that sort of journey, I would expect high twenties/30mpg from my 3.0l, depending how much town driving is involved...

[Nige]

Clean all the breathers thoroughly, and throttle body as well.  On that sort of journey, I would expect high twenties/30mpg from my 3.0l, depending how much town driving is involved...

Sorry, complete novice here, can't see any guides on the forum, what are the breathers, and throttle body sounds a major job?

[tunnie]

Clean all the breathers thoroughly, and throttle body as well.  On that sort of journey, I would expect high twenties/30mpg from my 3.0l, depending how much town driving is involved...

Sorry, complete novice here, can't see any guides on the forum, what are the breathers, and throttle body sounds a major job?

It sounds it but its not. I cleaned my 2.2 breathers, took less than 10 mins. (Also that was my first time cleaning them)

Check out the maintenance guide section for how2's, i basically just involves cleaning the crap out!  

On the 2.2 there is a very thin pipe which allows the engine to breathe (air) after time this gets blocked up, i cleaned mine out with an old wire coat hanger with some cloth on it, covered in carb cleaner..... passed that a few times, tones of rubbish came out.

noticed a big differnce in performance and mpg, i suspect they had never been cleaned

[Chopsdad]

Clean all the breathers thoroughly, and throttle body as well.  On that sort of journey, I would expect high twenties/30mpg from my 3.0l, depending how much town driving is involved...

Sorry, complete novice here, can't see any guides on the forum, what are the breathers, and throttle body sounds a major job?

Just click here for the link http://www.omegaowners.com/forum/YaBB.pl?num=1162397695. If you are a complete novice just clean all the hoses inc the little one mentioned by Tunnie - leave the trottle body housing for now & see how you get on.  You'll need a small metal gasket that sits on top of the sump at the base of the metal breather pipe - costs about 70p from Vx and that's it. Your car will feel more responsive too.