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PostPosted: Thu Jun 12, 2008 10:49 pm 
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Chop Mouth
Chop Mouth

Joined: 30 Apr 2006
Posts: 341
my oil dip stick is smelling like fuel...its a 93 yj with fuel injection i was wondering if its possible that while in the morning when i have my smoke i should let the jeep run instead of just flicking the key over so i can listen to the radio..... would the flicking on of the key be causing fuel into the engine then when theres no combustion it just drains through the oil ports? maybe?

any help much appreciated

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PostPosted: Thu Jun 12, 2008 11:38 pm 
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Loose Mouth
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LOL, youngmiller...I have never ever thought of smelling my dip stick. I had to read this several times to understand what in the world you were talking about!!! Funny, funny.

I do have advice....quit smoking while you are still a youngmiller!!! :P

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PostPosted: Thu Jun 12, 2008 11:41 pm 
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Loose Mouth
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it could be that when you turn the key on and the fuel injection primes for starting,and you do not start the engine, the fuel is laying on top of the pistons and seepin past the rings and into the crankcase.there are no "oil ports" that share the same chamber as the fuel. they are two seperate systems. most ignitions can be turned backwards to acc. so the radio comes on. when you turn the key forward, the direction you would to start it, you should be able to hear the injection system prime itself for starting.you may be actually flooding the engine because of it priming every time you turn the key foward.and not starting it . and the fuel is seeping past the piston rings.past the rings and down the cylinder is the only path what ever the cause of the excess fuel. the only other way possible for the fuel and oil to mix would be a leaking intake gasket or head gasket.but if one of them were bad it is much more common for anti freeze to leak into the oil system...........TC

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Last edited by toe cutter on Fri Jun 13, 2008 2:08 am, edited 2 times in total.

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PostPosted: Thu Jun 12, 2008 11:48 pm 
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Chop Mouth
Chop Mouth

Joined: 22 Apr 2008
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If you run the car in cold weather, the fuel mixture is richened to warm engine, excess fuel not burned can get into the oil. Also, if you have a car that starts hard-long cranking or has a misfire; the excess gas that is not burned will get into your oil.
Your engine has been severely flooded or, if your car has a carburator, the float needle seat is shot. Whenever your oil smells like gasoline it's very bad for your engine. Change the oil ASAP.
your engine maybe tired. you have what is called blow-by. your piston rings are not sealing on the cylinder wall. If you watch you may be using oil also.
Many things can cause this, some are, from a short driving cycle that doesn't allow the engine to fully warm up, to a faulty fuel pressure regulator, to leaking fuel injector/s or a carburator float bowl being overfilled, to worn engine parts, like piston rings, valve guides, faulty spark plugs resulting in poor fuel burn ect, ect.
Basically it's gasoline getting from the top of the engine, into the bottom of the engine, where the oil sump is.
Gasoline in the oil isn't good for it, or the engine, as it dilutes the oil & robs it of it's lubricating properties, resulting in accelerated engine wear & bad engine deposits.
Best to change the oil & filter right away, review all the listed ideas & have the most likely checked out by a pro you trust.
If your cars mechanical condition is ok, but your driving cycle is short, after changing the oil & filter, try changing your driving cycle, or by taking your car on a weekly 20 mile interstate round trip, to warm the engine & oil up competely, to evaporate condensation & any gasoline thats found it's way into the crankcase oil sump.
your car is not good mechanically or u would not be getting fuel in oil. take it to a mechanic and get it looked at .problem may be small and easy to fix. the longer you wait the worse it will get. . .

That's the longest version of the "worst case scenarios",I could find. :)
Im no mechanic but I can copy & paste.I agree with TC though.

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Last edited by hickish on Fri Jun 13, 2008 1:17 am, edited 1 time in total.

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PostPosted: Fri Jun 13, 2008 12:05 am 
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Silent Mouth
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Agreed with Toe Cutter. It's the fuel injection priming for start up. =) Turn the key backwards and not on. lol


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PostPosted: Fri Jun 13, 2008 11:27 am 
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Chop Mouth
Chop Mouth

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reproductor wrote:
Agreed with Toe Cutter. It's the fuel injection priming for start up. =) Turn the key backwards and not on. lol


lol thats what i thought too and couple other buddies thought....for some reason i cant turn the key backward.lol so ill either have to quit smoking or quit listen to the radio lol and for the record i wasnt the first to sniff the dip lol i work at a gas station and my buddies are always around and my best friend decided to check every thing out for me and he sniffed it and then told me so i sniffed it lol


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PostPosted: Fri Jun 13, 2008 11:29 am 
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Chop Mouth
Chop Mouth

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i noticed today it takes more to start the engine after i do this too....



thanks goes out to Toe Cutter, hickish , reproductor and of course Libby


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PostPosted: Fri Jun 13, 2008 3:57 pm 
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Silent Mouth
Silent Mouth

Joined: 23 Feb 2008
Posts: 83
Location: iowa
your fuel pressure regulator should stop excess fuel in cylinder unless you're turning key off and on several times before starting regulator could be bad if you seem to be getting worse gas mileage and tailpipe looks to be realy black with alot of buildup inside the egr valve could be stuck closed computer will think engine is still cold and run the air fuel mixture to rich


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PostPosted: Fri Jul 26, 2013 3:40 pm 
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Silent Mouth
Silent Mouth

Joined: 19 May 2013
Posts: 8
Location: Ohio
Leaky injector.. really late now but just figured i'd state the reason


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