Suzuki Swift 1989 89 1990 90 1991 91 Engine Control Unit 1.3 4 cyl Auto 33920 63B90 ECU ECM COMPUTER

Vendor: Suzuki
Type: ECU

Denso Manufactured Suzuki/Geo ECU D4 3392063B90


Up for sale is a good used, Working, Engine Control ECU / ECM. Part numbers listed at top. This unit should fit 1989 1990 & 1991 model year cars, with automatic transmission, 4 cyl 1.3 liter, and US federal emission.

This unit offers a 30 day functionality warranty. The Suzuki swift based cars are fantastic cars, typically even modern-day hybrid model cars can't match the highway mileage of the fantastic suzuki engines these cars came with. Some other models this car may fit, other than the Geo Metro is the Suzuki Swift / Pontiac Lemons. These are located under the dashboard, on the driver side of the car.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.

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