99.999 times out of a 100,if you have gas in the oil,replace the fuel pump and change the oil and filter.
Carb for inline 6
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Fuel smell in oil. inline six
Oil has gas odor in it. Carb was rebuilt in summer. So I am assuming it is fine more or less. What is the device between the manifold and the carb? Seems to reburn excess gas as it goes in and out of the exhuast manifold. could that be bad and causing this smell?
Last edited by steamin441; Feb 5, 2007 at 03:44 PM. Reason: wrong question
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if your oil has a gas smell, and you know that your carb is good, check a few other things. make sure all cylinders are firing (bad plug? Bad wire?) i've run my six on one cylinder before. its also possible that you've got a bad set of rings. make sure and change your oil though, if you are indeed getting gas into your oil, your oil will not lubricate as it is designed to, and you will certainly hurt the engine. in short, i'd check your spark first.
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Originally Posted by steamin441
Oil has gas odor in it. Carb was rebuilt in summer. So I am assuming it is fine more or less. What is the device between the manifold and the carb? Seems to reburn excess gas as it goes in and out of the exhuast manifold. could that be bad and causing this smell?
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Most likely a leaking fuel pump diaphram. Possibly a stuck open carburetor float valve. EGR Valve/plate wouldn't cause that symptom; you must have a large amount of liguid fuel getting into the crankcase to be able to smell it in the oil. First thing I'd do is replace the fuel pump (they're not that expensive). I don't know a reliable way to check one for an internal leak.
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Steamins' Six
Thanks for the info-Right after my post I changed my oil and I am on my way now to get a new fuel pump. I have been rehabbing this "Six" over the last year and getting to everything external I can. Let ya'll know how it comes out. Thanks again.
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