Reading GM OBD 1 Trouble Codes With a Scan Tool
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YouTubeRPO Restorations
Reading GM OBD 1 Trouble Codes With a Scan Tool
In this video, you'll learn the proper order for reading codes in your 1980's GM vehicle. There's a first step most people skip, only to find out later their ECM isn't wotking right. We'll be using my 1987 Oldsmobile Cutlass Supreme, buit this will work on any 1980's or early 90's General Motors car or truck.
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