I am in the process of cleaning up my brother's '89 240 DL to sell for him. I have it all cleaned up, repaired a few little things, and ready to sell. Yesterday morning the Check Engine Light came on. A parts place employee read the code for me, and according to their manual it's a Mass Air Meter Code 1-2-1.
Anyone know of a site on the Web that has instructions on how to read/reset error codes, information on what the various codes represent, and possibly other testing/troubleshooting instructions for the various sensors?
Thank you.
Louis--
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