I was test driving an 89 300 CE to maybe make a purchase for around 3K with 135k miles on her. The A/C was blowing with the fan speed low. I could tell that there was some cooling but the fan speed was very faint and wouldn't blow faster. Is this an indication of an evaporator going bad? Does the 89 300 series suffer this know fault like the 94-95 E320? Also what are the known faults with this car, is the harness and head gasket an issue? Thanks.

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