Strange A/C smell

MikeSaw

New member
Mar 19, 2025
3
0
Dallas, Texas
I have an issue with a strange sour smell that occurs when first starting the car's air conditioner. Have had the vehicle for almost 10 months and this just started happening. Took it on a trip to the Colorado mountains and noticed it for the first time. The odor is similar to a vinegar aroma. It goes away with a few minutes of fan time. I have checked under the hood and cannot see anything out of the ordinary. Anyone else run across this?
 

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