Date: Tue, 06 Apr 1999 12:32:45 -0700
From: Justin VanAbrahams <>
Subject: Re: Gas mileage drop on 85 900S 16v Turbo

Riff wrote: > > that "thing" sounds like the coil That "thing" is actually an APC solenoid. And it is clicking because it's either failed, or the pressure transducer under the dash has failed. > have you changed the fuel filter? I notice that pep and otherthings > improve when a new on is on... This is a good suggestion. The fuel filter is to be changed every 50,000 miles according to Saab, but most mechanics will recommend a 30k interval with the low-quality gas we get in the U.S. -Justin Here's the original message: > Jeremy Fennema wrote: > > > > I've recently been experiencing a drop in the gas mileage which I was > > getting with my Saab over the last 10K mi or so. It's gone from a peppy > > 30mi/gal to a not so great 25mi/gal. It has 120K mi on it right now. I'm not > > sure if this is something to be expected or if there is something that I can > > do to help improve the gas mileage. I just changed the plugs with no distinct > > improvement over two tanks of gas. I change the oil regularly and the belts > > don't seem to loose or worn and I just replaced the air filter two oil changes > > ago (6K mi). Any other ideas on how to improve the gas mileage? Most of the > > driving I do is highway and country road driving. > > I do have one somewhat weird thing going on with the car. I have an > > intermitent rapid clicking noise which comes from a plastic relay or something > > mounted on the top of the radiator in the front of the car. It has a set of > > wires comming to it from the top and I'm not sure what it is, but it does seem > > to be malfunctioning. It is almost directly in-line with the distributor cap, > > but towards the front of the car and on top of the radiator (if that helps > > anyone nail down what this thing is). If anyone can give me a pointer on > > increasing the gas mileage or figuring out what that relay thing is I'd really > > appreciate it. > > > > I have to say that this car is by far the finest automobile I've ever > > owned and it's always a dream to work on, except when it comes to the brakes. > > If anyone knows where I can get ahold of a brake tool for this car I'd be > > eternally grateful and so would my knuckles. > > > > Cheers, > > > > Jeremy

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