Service Engine Soon - warning light
*EDIT* 1989 Chev G20 van, 305.
Does anybody know what this means? I do service at regular intervals, though maybe I'm missing something.
I just wish I knew if the warning light had any actual computer brains behind it, such as some sort of trouble code stored somewhere. Not sure what the state of the art was in '89. A Google search was disappointing, oddly enough.
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1986 300SDL, 362K
1984 300D, 138K
Last edited by cmac2012; 01-08-2015 at 02:54 PM.
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