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prom
Posted to Emissions Forum on 2/18/2021 14 Replies

I am looking for an eprom for this car. The number on the prom is ATXX 8286 scan tool data is 7984. Does anyone know where to get one of these? I am replacing the ECM and Prom. The ecm failed the tap test and using the original prom the car still stumbles. I w... Login to read more.

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car Vehicle Data

1990 Buick Riviera Luxury 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1990 Buick Riviera Luxury 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)