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Date: Thu, 08 May 2003 23:11:19 GMT
From: ma_twain <>
Subject: Re: Poor gas milege on a '90 900

I have a 1990 900S. I was getting 15 miles per gallon until I used a locking gas cap . . . . now I get between 26 and 29 miles per gallon. I don't know if this happened at home or at work. Assuming that is not your problem, that is, your neighbors are trustworthy you have another place to look. Do you smell gas when you just after you park the car? You may have a leak in the fuel system and the gas is leaking while the fuel pump is running. You should smell gas in the trunk or under/behind the car if this is the case. wrote: > Someone who looks an awful lot like Studecom <studecomnopsamcom> wrote: > >>Is there anyone out there who might know the cause of poor gas milege (under 10 >>m.p.g. in city driving) in a 1990 Saab 900 non-turbo? The car has less than >>60,000 original miles and has never had any major work aside from recommended >>maintainence. The car passes smog testing and seems to drive fine. >> > > If it were dumping unburned fuel, your emissions would reflect that (CA-land > does test for HC in emissions, right?), so that's not it... > > >>The check >>engine light does go on occasionally. The code for the check engine light >>indicated something about the idle circuit ( I can't remember the exact >>wording). >> > > That'd be a good thing to find out. > > >>I read somewhere that leaking O-rings on the fuel injectors sometimes >>can cause poor milege. >> > > Yeah, but it'd play havoc with drivability and emissions, not just > mileage. > > > >>Any other items that might be likely culprits on this >>model? Thanks! >> David in California >> > > Stuck brakes? Neighbor siphoning gas out of your tank regularly? > If you're getting 10 MPG, that's much less than what you should be, > which means a lot of your power isn't getting to the > road. Something somewhere is either leaking your fuel source, or > getting awfully damn hot. > > What method are you using to measure your mileage? ...and, does your > neighbor have breath that smells of petrol? > > Dave Hinz > >

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