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Earlier, water like drops come out of the exhaust of my car. I searched web, and it shows that its a good sign. But for last few months after a regular maintenance cycle (Oil, Oil Filter, Air Filter, Air Conditioner Air Filter etc), it stops. Is this a bad sign or this is perfectly normal?

Edit: I don't know, if this help anyone or not but doing a general service of entire car including washing of sensors, did the magic. The behaviour comes back. The reason my local mechanic told me was it was due to some sensor not reading proper signals out of something. Although, I didn't buy his argument - but that's what it is. Thanks everyone for answering.

Shahzad Masud
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It means you have probably driven short(<10km) trips. The exhaust doesn't get the time to get hot then, so the water vapour in your exhaustgases condensate in your exhaust. That's also the water that's coming out of your exhaust. If you don't make a longer trip every now and then, the exhaust never gets hot, and water builds up in your exhaust dampers, making them rust much faster. You can drill small holes(1mm) in your dampers to drain the water and prevent this, but depending on your country it are it may not pass the MOT anymore.

Bart
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