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Check Engine light on 200 1989

I see no reason to suspect the Mass Air flow meter over anything else indicated. If they were valid codes it would not run. Possible a momentary glitch in the electrical system such as bad power connection or ground somewhere caused the codes to set. A good place to start checking is the grounds at the base of the columns where the door hinges are. Remove the cover and they will be visible.

No need to run to the mechanic when light comes on. Learn how to read the codes and clear them so that you can monitor the situation. It's all in the FAQ section.
--
David Hunter






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