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[mkaminski100]

My LPG consumption is 14.5 MPG... MID shows 14 MPG and i made 85 miles and bought 27l of LPG. Something's really wrong with this car...

Does anybody knows all values from sensors from 2.0 16V?
there are no fault codes, O2 is 0-5mV (on idle). I will check the rest today and let you know what are the values.
I will check lambda on 3000 revs.

[haj]

have a few sensor values

idle air valve 10,3 ohms

etc @15-30 degrees c 1450-3300 ohms(have to take it out of the engine)

lambda heater 4,5-5,5 ohms

Lambda sensor has a 5v supply,the o/p fluctuates between 1 and 5 volts,need someone to blip throttle.

I think if v is stable at 5v then you have an over fuelling problem
if v at 1v(stable) lambda knacked.(might be vice versa)
have to leave connected to multi-plug and fiddle a couple of fly leads from said plug
measurements gained footling around and asking questions.
So not gospel,guideline really.
Hope it helps.
These are for petoll engine

[mkaminski100]

I checked almost everything in my car. Here's some snapshots from OpelScanner. Can you see anything suspicious?
http://forum.omegaklub.eu/download.php?id=2785
http://forum.omegaklub.eu/download.php?id=2786
http://forum.omegaklub.eu/download.php?id=2787

I almost lost my faith in low petrol consumption in these cars, but I bought second Omega 2.2 petrol. When I bough it, there was just 9 miles to go on the petrol in the tank. Petrol indicator was flashing. I bought 28l of petrol and did 65 miles on the highway and 105 in the town. Computer still shows 26 miles to go and the indicator is not flashing yet.
So the real petrol consumption in this Omega is at least 29MPG while in mine is 29MPG on the run, 17MPG in town and ca 20MPG in average (50/50).
Both cars have automatic gearbox. both similar engines. New Omega 2.2 is burning oil (valve seals) so it' even more suspicious that it has higher MPG than my 2.0.
What is wrong? Is it the exhaust which is lauder in mine (I have new Bosal last box in 2.0) or is it just because there is just on middle box in 2.0 and two in 2.2?

[mkaminski100]

I have one more thing to add that might be important.
When I disconnect the MAF sensor, there is no engine reaction, just the EML light on. I remember, when did the same in X20XEV Vectra, engine chocked and then revs were higher than idle.  
When I disconnect the hose between the filter box and MAF and will blow in it gently, revs will go up.
Is it possible that the MAF is broken even it’s showing proper values or does the engine need to be re-set by disconnecting the battery?