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Old 01-21-2001, 08:51 PM
CJ CJ is offline
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Is water (H20) produced as a product of combustion in the diesel engine? Just curious, no problems to report.
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Old 01-21-2001, 09:19 PM
Join Date: Mar 2000
Location: Gainesville FL
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Yes. The formula for all hydrocarbon burning is basically:

CHx + O2 = CO2 + H2O
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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Old 01-21-2001, 10:21 PM
CJ CJ is offline
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The reason I was asking is that when I start my car up sometimes there is a black oily looking spray on the ground at the tailpipe. When I touch the black liquid, it is not oily at all, it is sort of like black water. I was assuming that it is soot & water from the combustion cycle.
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Old 01-22-2001, 06:57 AM
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I expect that this is merely condensation in the exhaust system that is put out the pipe during warm up. This is very normal. I would not worry unless it continues after warmed up.

Good luck,
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