tr Saab 9000 1990 non turbo 2.3 liter ECU Up for sale is a Working, in excellent condition 1990 Saab 9000 and 9000-S & 9000 ECU. Works with all 16V non turbo US model 2.3 Liter cars in 1990, probably also euro spec models. Bosch Part number-- 0 280 000 579 (0280000579) , Saab part number-- 9 113 804 This unit offers a 30 day functionality warranty. These cars are now 20 years old, and soon will be considered classics! This car being the non turbo variant, and the winner of wards 10 best engines in 1990, will eventually be rare and desirable! Don't laugh, the day will come... Already these are very hard to find units.As always with this type of component your best bet is to match the part number to the one on your original ECU. A faulty ECU is one of the most common no start or random stalling problems with these cars. These can also cause issues with erroneous check engine lights, idle control problems as well as emission control & cold or hot start problems. I have also seen fuel pump relay turn on faults (ECU won't turn on the fuel pump), as well as an condition where the high speed injector driver has failed. This causes the car to sit and idle fine, but it won't accelerate.If your car does not have these issues but you intend to keep it a while, I recommend our customers keep an extra ECU in the trunk. These units now have to be special ordered from most dealers new for big $$ (often times over $1000!), and you can never find one when you need one. Even now finding a good one second hand is getting to be quite difficult as these cars get older.These units are located under the plastic in the cowell, on the driver side.