Water droplets out of exhaust
In the morning, I saw water droplets coming out of the exhaust. Is this normal?
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yup
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That would be called " condensation ". ;)
If you see the same thing on a nice warm day, and the engine is fully up to temperature, can you say " headgasket " ? ;) |
I have a HFM code 13, adaptation at limit, mixture too rich or lean.
I was wondering if their is a relationship between fuel mixture and the amount of condensation. |
you might want to make sure the vacuum line is attached to your fuel pressure regulator. If it is that would be the place to start troubleshooting your code 13.
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So far I have done the following:
Fuel pressure Check OK Vaccum leaks OK MAS OK (Checked with a known goodone) O2 OK (Checked with a known goodone) OVP Replaced Fuel Pump Relay Replaced Wiring Harness Replaced 60 Service (Spark Plugs, Fuel Filter etc. Replaced) ECM (Checked with a known goodone, MB dealership thought that fixed it, but I do not think so, put the old one back in) Coil to plug connectors Replaced EGR Replaced Headgasket Replaced Aux Fans Replaced |
The other 2 items mentioned in ALLDATA concerning your codes is fuel injectors and an intake air leak. What's your vacuum at idle? Mine usually runs around 17 to 18 at idle.
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Don't loose sleep over o few water droplets coming out of the exhaust system in the morning.
One of the by-product of gasoline combustion is water. Until the exhaust system is fully warmed-up, this water condensates and is expelled out of the exhaust. When the engine/exhaust system are hot, water is vaporized (steam) and you don't see it anymore. Totally normal. jackd |
Re: Water droplets out of exhaust
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One of the injectors maynot be functioning at a 100% but the car performance and drive is "like new" and like ymsin said, water droplets are a sign of a well tuned engine!
Code 13 is probably a bad code from the ECM. |
Re: Re: Water droplets out of exhaust
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indicates that the cat is working. Gasoline, as it burns produces, among other nasty crap, HC=Hydrocarbons, CO, CO2, NOx= oxides of nitrogen and O2 Not water, H2O. As the HC' are burned, they form CO and CO2, some free H ions remain and these react with the O2 to form H2O. |
And when the engine is hot, the H2O is evaporated long before it reaches the tailpipe. In the morning, the water reaches the end of the cool exhaust system, and some drips out. This is why it is so important to drive your car. For short stop and go driving, that water never gets boiled off. Your exhaust system ends up sitting full of moisture.
This also applies to your crankcase. Upon start-up, there is moisture inside. As you drive and get the oil and metal nice and hot, that moisture is burned off. Short trips don't get rid of that moisture, and then it contaminates your oil and cause premature wear. Also, there are byproducts of combustion that also burn off when the car is driven to the point where it is hot. |
Be scared if you have plumes of white smoke comming out of your exuast like I have every morning. Sign, I really need to get off my arse and fix the tranny diaphram :(
ALso, when my head cracked, I had water comming out the exaust even when it was at running temp :) |
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