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Date: Wed, 02 Oct 2002 04:53:07 GMT
From: "Mike" <mjlbnopsami.com>
Subject: Re: Check engine light (check the gas cap)


In my case, I personally unscrewed the gas cap and found the o-ring wrapped around the threads of the gas cap. Once straightened out the light went away. Since it is so easy to do, I would still recommend it as the first thing to check if someone else gets a check engine light - especially just after filling the gas tank. If it's not that, then it's probably going to cost $$ <g>. Mike "Kenneth S." <nimrodnopsams.com> wrote in message news:3D998FB6.34C1nopsams.com... > I don't have the problem now -- thank goodness! It was maddening while > it lasted, and absorbed a great deal of my time in trips to the Saab > dealers, etc. > > I'm satisfied that it never had anything to do with the gas cap. > Initially, the light came on for the first time when I was just driving > along an expressway, not having recently removed the gas cap. Secondly, > one of the things I did when I was still laboring under the gas cap > delusion was to go to a local emissions testing station and ask them to > check the gas cap. They found it was fine. > > I don't want to generalize from my particular case. However, I do > wonder whether the gas cap theory is not mostly just a convenient way > for mechanics to explain an elusive problem, in the process shifting the > blame to the customer. > > > > Mike wrote: > > > > Check your gas cap - the o-ring may be wrapped around the threads. Low tank > > pressure will definitely cause the check engine light. That was my problem > > one day. > > > > Mike > > > > "Kenneth S." <nimrodnopsams.com> wrote in message > > news:3D990FF7.4C30nopsams.com... > > > Rich wrote: > > > > > > > > The Saab is a 94 with 100,000 miles. It had a tune up at 95000. > > > > Yesterday we were going on a 200 mile trip. We stopped for gas 4 miles > > from > > > > our house. > > > > After filling up the check engine light came on. We did not want to > > drive > > > > that far with the possiblity of something wrong so we took another car. > > > > Today I drove the car around town to do some errands. > > > > After the 4th start the check engine light went out and has not come on > > > > again. > > > > Can anyone explain what is happening? > > > > > > > > Thanks > > > > > > > > Richard > > > > > > I had this problem with my 1996 900SE. I have seen it referred to > > > enough times in this news group to conclude that it is one of the > > > characteristic problems (quirks) of Saabs. In every other car I have > > > owned the check engine light was a sign that the oxygen sensor needed to > > > be replaced. Replace the oxygen sensor and the problem was fixed. Not > > > on my Saab. > > > > > > I had it in the dealers three or four times, while they tried various > > > fixes, starting with telling me that I must not have tightened up the > > > gas cap sufficiently, and ending with changing the oxygen sensor or a > > > trial basis. In the end, they decided there was a problem with the > > > wiring harness, and fixed that. So far, that has taken care of the > > > problem.

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