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I drove my car through a very deep water puddle by accident.

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Now there is a gasoline/exhaust...
I drove my car through a very deep water puddle by accident. Now there is a gasoline/exhaust type of smell inside the car when I drive. Is there a type of water damage to the engine that can cause this odor?I drive a not-so-common car: A 2009 Smart Car. The engine is at the rear of the car.
Submitted: 10 months ago.Category: Mercedes
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Answered in 4 hours by:
9/27/2017
Mercedes Mechanic: Kevin, Master tech replied 10 months ago
Kevin
Kevin, Master tech
Category: Mercedes
Satisfied Customers: 3,101
Experience: Diagnostic technician
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Hi I'm Kevin there isn't really an obvious cause on this one as everything of worry is at the rear and if water had cause damage the engine wouldn't be running . The most important thing is to get car up on a ramp to ensure no fuel lines have been damaged by debris in the water as there isn't really anything else that will cause a fuel smell on this model

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Mercedes Mechanic: Kevin, Master tech replied 10 months ago

please remember to rate my service and let me know if you need anything else at all

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Customer reply replied 10 months ago
OK - where is the engine air intake on the Smart Car, and is it low enough to suck in water? I don;t think there was any debris in the water that could have hit the fuel lines.
Mercedes Mechanic: Kevin, Master tech replied 10 months ago

The air intake is above the left wheel arch on the rear.so water would need to be over seat level to enter

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Customer reply replied 10 months ago
OK thanks.So the idea is that if debris punctures the fuel lines, the fuel then seeps out and that causes a fuel odor?Are the Smart Car's fuel lines on the undercarriage, directly exposed to debris or anything that can impact the bottom of the car?
Mercedes Mechanic: Kevin, Master tech replied 10 months ago

There are no exposed fuel lines the tank is the lowest part so unless this has been punctured there isn't a great deal water can do to damage system .please remember to rate my service

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Customer reply replied 10 months ago
OK but now I am a bit confused then.1. The water couldn't have entered the air intake.2. The only thing that can cause the fuel odor is damage to the fuel line.3. I need to check for damage to the fuel line - yet - the fuel line is internal, not external, and hence cannot be damaged by debris from outside.4. So now I do not know what is causing the gasoline smell inside the car.
Mercedes Mechanic: Kevin, Master tech replied 10 months ago

The pipes run below car but are fully covered with plastic trays

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Customer reply replied 10 months ago
unless there is damage to the fuel lines, it's not likely that there could be a gasoline odor inside the car, yet the fuel lines are well protected by plastic covers? Then it really is a mystery.
Customer reply replied 10 months ago
I can't seem to request a different person to reply, and yet there seems to be no response.....
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