Check control module and wireing for loose or bad connection. Intermittent problems are hard to diagnose even at shop and can get expensive fast so also try taking off negative battery cable for 1 hour to reset all cars computers believe it or not this fixes 80 percent of intermittent problems
SOURCE: saab 93 engine fault codes p1230 and p1260 ?
What? that's crazy! why wont you take advises from several mechanics? this is the best solution.
SOURCE: cant find oil filter
First, it ain't easy.
I finally found the oil filter with its screw off top. It is on the right front side of the engine (left of the Battery) and just visible (with a flashlight) about two inches below the black plastic cover. Removing the cover is unnecessary and doesn't help much even if you do.
I slipped a CFA size 6 filter remover cap over the plastic top - I think that you can also use a 32mm ratchet on the hexagonal molded piece on top. In either case, I suggest applying a bit of new oil by finger around the edge of the screw on cap prior to trying to ratchet it off - either with the CFA size 6 or the 32mm fitting.
It comes off counter-clockwise and you won't have much room to work - about 3 inches of play. Once you get it started, remove the ratchet and remove by hand. Have some paper towels to wrap around the assembly when you remove it.
Discard the old inner filter and install the new one. Remember to look at the old one before you remove it so you can install the new one correctly.
Finally, by hand reinstall the filter and cover. Twist the cover on clock-wise until it is hand tight. You can use your ratchet to tighten and extra quarter or eighth turn if you like but I don't feel it is necessary.
Hardly worth doing yourself but a change at a garage with 6.3 quarts of 0W30 fully synthetic oil cost a pretty penny.
SOURCE: 1999 Windstar ABS/Traction/OD off light and speedometer
Its a faulty sensor switch on your brakes master cylinder. It leaks brake fluid into the wires that are plugged into it and causes a short in the circuit, resulting in a blown fuse that controls the AC, odometer, speedometer, cruise control, and ABS light to come on. This problem can also cause a fire. The fire can occur even when the vehicle is off. To fix this problem go to this URL - http://www.fordwindstarrecall.info/
SOURCE: 1999 saab 95 speedometer not working, abs and
You will need to have your car's ECM (Computer) read by a OBD II scanner to determine what Trouble Code your ECM is giving so a mechanic can properly diagnose the problem. You can go to your local AutoZone store and they can pull the codes out of your ECM for no charge.
SOURCE: changing spark plugs on saab 93 turbo 2.0
to replace the spark plugs you need to remove the ignition cassette which is held in with 4 t-30 screws and the plugs are underneath that.
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I have a Saab 2007 Aero convertible that had similar issues of traction control, ABS lights and brake light goes on and once that happens speedometer does not show speed. Problem was with ABS module called ECU by TRW. I opened the unit, re-soldered all the connections and the ECU by TRW came to alive. No problem after that.
After opening this ECU unit from Saab 2007 9-3 Aero convertible. Re-solder all the connector pins. I think over time the solder gets cracks causing the malfunction.
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