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Date: Fri, 11 Dec 1998 10:08:11 GMT
From: Mark Trudgill <mtrudgillnopsamet.co.uk>
Subject: Re: Fuel problem in '95 900 SE Turbo (manual)


The message <19981210203338.16769.00000697nopsam6.aol.com> from billyg1993nopsamcom (BillyG1993) contains these words: > Hi, > I have a 1995 900 SE Turbo, manual shift. Absolutely love driving it. The > warranty runs out in two months. I was wondering if anyone experienced the > problem I've been having lately. > 1. The gas gauge starts off at the half level or lower, even when the tank is > full. Then after 15 minutes it works its way up to the correct level. Bottom > line, I can't rely on it any more, have to rely on the trip odometer. (The > dealer replaced the gas tank and fuel line due to a related problem, and told > me that sometimes the gas tank builds up a vacuum and gets sucked into itself, > i.e., shrinks.) It shouldn't, as theres a vent in the fuel cap to allow in air to replace the fuel thats used. To find out if you have a blocked vent drive a few miles and stop and open the fuel cap. if there is an unmistakable hiss then a new fuel cap is in order. Also if this is so you should have problems with the car running as rough as a bag of shit because the fuel pump is working against a vacuum and has to overcome this (sucking effect of the tank before it the pump can suck out fuel for the engine) > 2. In cold humid weather, as I'm driving along the highway, the car suddenly > acts as if the gas flow is being constricted, then goes back to normal again. > This is quite disconcerting in heavy traffic at high speeds, to say the least. > Also, in low gear (2nd or 3rd), when I go into neutral to coast or change > gears, the tach dips below 1,000 rpms and the car sometimes stalls (while in > neutral). This results in loss of power steering, so I have to quickly restart > the car while still moving along the road. Could cause a major accident. > Sometimes the warning bell sounds but the revs don't go below the stall > threshold (miracle). > 3. Problems 1 and 2 never seem to happen when I take the car to the dealer, > and they had the car thoroughly checked out by their top mechanic. Found no > problem. > Any suggestions please? Try another fuel cap, what have you got to loose. You could loosen the cap for a few miles (ie dont screw it tight up) and see if this cures the problem first. If you get the hiss when opening the fuel cap after a few miles, its definately the cap. Mark Trudgill..

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