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Muffler leaking water in hybrid

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JoeRon

2.5L Hybrid
Member
Joined
Sep 29, 2022
Threads
5
Messages
11
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Location
St loui
Vehicle(s)
Maverick
Engine
2.5L Hybrid
I assume that you drive it pretty hard, and the gas engine has been running for a while when you pull into your driveway instead of always being on the electric motor at slow speed.

There is a lot of water vapour in the exhaust gases from any combustion engine. A combustion engine is a heat engine, with a lot of water produced as a side-effect. If your engine is not very efficient then the exhaust gas remains very hot until it exits the tailpipe, and does not normally condense out the water unless you are in cold conditions. The hybrid has a more efficient Atkinson-cycle engine that will not heat up the exhaust gas as much, and further has a heat exchanger in the exhaust pipe to recover much of the remaining lost energy from that waste heat. As a side-effect, the much cooler exhaust gases will normally condense the water out even at warmer air temperatures, and it will drip a lot more than other vehicles. Its just water, so nothing to worry about.
Thanks for the good explanation
 
 







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