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321 code may be false... 700 1990

Hmm this sounds very familiar to me! I think you're right about this. I'll check tomorrow during the daylight hours.

The other codes are killing me though. Ugh, I hope my IAC isn't broken, because that's a pretty expensive part. Easy to replace by myself, but sooooo expensive.

So far the IAC is the only code that's displaying a symptom. I would think that if the MAP sensor and air temperature sensor were broken I'd be getting problems on the highway... but I'm not.

Thanks a lot!
--
Ken
1990 Volvo 740 base sedan (B230F)
My Volvo 'Project'






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