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Car Forum / Dodge / Dodge Trucks / November 2007Oil Smoke Test
Is there any test that can be performed to verify oil smoke from the tail pipe besides just looking at it? The climate is getting cold here and there is a lot of steam/smoke/something coming from the tailpipe. How can one test for certain if it is or is not oil other than visually? > Is there any test that can be performed to verify oil smoke from the > tail pipe besides just looking at it? The climate is getting cold > here and there is a lot of steam/smoke/something coming from the > tailpipe. How can one test for certain if it is or is not oil other > than visually? Get an emissions test?  SignatureKen > Is there any test that can be performed to verify oil smoke from the tail > pipe besides just looking at it? The climate is getting cold here and > there is a lot of steam/smoke/something coming from the tailpipe. How can > one test for certain if it is or is not oil other than visually? Take a glass of ice water, and hold it in the exhaust stream. If you get a lot of condensation, then it's just that - water. If it doesn't condense, then you're burning something else (most likely oil, though oil tends to have a bluish tint to it when burned). Does it go away once the engine's warmed up? However, if you smell it, and it smells like anti-freeze, that's a big problem. With the vehicle cold, remove the radiator cap, and start it up. Look for bubbles coming up through the coolant. Bubbles=blown head gasket. My guess it it's just water vapor condensing in the cooler air. I went back out and started the engine after we drove it from my daughter's apartment to here, about 15 minutes. There was nothing visible from the exhaust stream this time. On the way here it seemed like a lot though. Thanks for the test suggestion. That makes a lot of sense. I will try that this afternoon when I get some time to work on it. >> Is there any test that can be performed to verify oil smoke from the tail >> pipe besides just looking at it? The climate is getting cold here and [quoted text clipped - 13 lines] > > My guess it it's just water vapor condensing in the cooler air. >I went back out and started the engine after we drove it from my daughter's >apartment to here, about 15 minutes. There was nothing visible from the >exhaust stream this time. On the way here it seemed like a lot though. If this is something new, I'd get a pressure test done just to be safe. > Thanks for the test suggestion. That makes a lot of sense. I will try > that this afternoon when I get some time to work on it. [quoted text clipped - 16 lines] >> >> My guess it it's just water vapor condensing in the cooler air. pressure test on what? compression tests won't show oil rings or valve stem seals into the combustion chamber. I'm not sure what to get a pressure test on exactly. >>I went back out and started the engine after we drove it from my >>daughter's apartment to here, about 15 minutes. There was nothing visible [quoted text clipped - 24 lines] >>> >>> My guess it it's just water vapor condensing in the cooler air. > pressure test on what? compression tests won't show oil rings or valve > stem seals into the combustion chamber. I'm not sure what to get a > pressure test on exactly. Cooling system. If you are getting a what you believe to be a abnormal amount of vapor from your exhaust, you can help find or eliminate one of the source's by a testing your cooling system. >>>I went back out and started the engine after we drove it from my >>>daughter's apartment to here, about 15 minutes. There was nothing [quoted text clipped - 24 lines] >>>> >>>> My guess it it's just water vapor condensing in the cooler air.
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