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Date: Fri, 21 Feb 2003 13:36:17 +0000
From: Entwisi <entwisinopsampipex.com>
Subject: Re: Deltec LPG installation - Lamda Sond - Check Engine light


Nel Frikandel wrote: > On Fri, 21 Feb 2003 11:33:18 +0000, Entwisi <entwisinopsampipex.com> > wrote: >>OK, so it was something about the Lamda produces a different signal when >>running on gas than petrol(they found this by using the oscilliscope to >>map teh output on each fuel) so they got the emulator to produce square >>waves that matched the output on petrol and the ECU was happy. It doesn't >>actually affect the running of the car as all that happens is that the ECU >>trys to tell the petrol injectors to increase the amount of fuel but as >>they are switched off it doesn't make any difference. > > Good to know. Thanks for feeding back. I'm still in doubt as to > replacing the L-sond should give me any improvement though. > >>BTW, what miles per litre(or UK gallon) do you get? Some people on here >>say that the 25 miles /UK gallon(4.54 litres) is too low. I would be >>interested in your findings. > > Actually, I reset the display everytime I fuel up, 'cause I'm kind of > keen on consumption, however I'm in metric-land, so I don't know if > these figures make sense to you. > > Normally on day to day LPG driving, I get 12 to 13 L. / 100Km's. > That is when I still had a job, and would commute 2x35Km's a day , of > which 25Km on a 80Km/h dual carriage way with roundabouts and trafic > lights, and 10Km on motorway up to 120/h > > Nowadays, with more short trips & city traffic it goes up to a fearful > 13 to 14.5 L/100Km. > > On a long motorway trip (drove up and down to Paris on one day > recently, totalling 800Km's at up to 150KM/h+ some city and congestion > trafic) I reached 11.5L / 100Km average, on LPG. > > The last long trip through Germany, at somewhat higher speeds, but on > Petrol (no LPG available there) I got down to 9.5 to 11 L / 100Km. > > That's with a no turbo SAAB 9000 2.0CSi 96 kW (130 hp) from '95 > > (X-posted into alt.autos.saab) OK, so quick maths gives me 23-25mpg (imperial) so pretty much on the mark. Mine is also a non turbo 2.0 130bhp from 94. Still with petrol at 75p/litre over here and gas at 35 that makes mine the equivilant of 54mpg, not bad for such a big comfy motor -- Entwisi

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