I have a 90 buick riviera and my check light is on so I got the code?

  • Thread starter Thread starter Kevin B
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Kevin B

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The code is 26 quad-driver error No.1. What is a quad-driver No1? how can I fix it. My car drives good nothing wrong with it. So I dont know what could be the problem. I have a 1990 buick riviera
 
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