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Dave ASKED THE GUIDE

Subaru Forester 2010: Why is my exhaust pipe leaking water?

My 2010 Subaru Forester has recently been emitting water from the offside exhaust pipe, even after a 10-15 km drive in 20-plus degree weather. I normally park on an uphill slope and maybe 1/4 - 1/2 cup of water is on the ground if I leave it overnight. Coolant level is not dropping, performance, economy and driveability seems unaltered and the blue dashboard warning light that goes off when the engine has warmed up does not appear to be taking any longer to extinguish. The twin exhaust pipes and mufflers separate from a single pipe from the engine, but the nearside one is not nearly as bad. I've experimented using fuel (91 as I've used since new) from different sources with no difference. Any ideas?

As the car is running normally, with no other signs of a problem it’s most likely to be condensation in the exhaust system. If so it’s nothing to worry about. Changing the fuel won’t make any difference.

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