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Do I really have a B21F-MPG?? 200 1982

Mario,
Confusing, indeed. Assuming you have another one of these '82 with MPG, I would appreciate very much if you can check on your CIS ECU and which temp sensor you have...again, I have a sensor with white plastic connector with ECU# ending in 005, currently.

I do have the intermittent high rpm, occasionally. It seems to happen after engine has warmed up. Poor idling before warm up, like at a stop light in the morning on the way to work, is another annoying symptom I cannot figure out. A/C switch, as far as I know, is not working...maybe it needs to be looked at as you suggest...could you tell me more about that or is this "micro switch" pretty self explanatory once I see it?

I did replaced injector seals last summer, so I doubt they could be the culprit...

Thank you so much for your help!!

Have a great week,
Toshi






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