Got a chance to look at my DTC manual and they didn't start the 70% 85% check until 88. I never thought of it before, but the test is stupid. Why bother checking at the round plug when you can just look at the 16 pin connector. If it has a light that blinks, it is a Calif. car. No blinking light it is federal. Don't worry about what you read KOEO on that car. It means nothing. All you need to do is bring the car to full operating temp which means the oil has to be hot and not just the temp gauge. Check pin 3 for a sweep. If it is sweeping, there is no problem, and you can adjust it. If the needle stays steady, you need to look the % reading up in the code book. What do you read under these conditions?

Peter

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