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Unread 01-19-2013, 01:56 PM   #1
Felber
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1999 TJ Wrangler 
 
Join Date: Jan 2013
Location: Wausau, Wisconsin
Posts: 2
Gas getting into my oil

Somehow gas keeps getting in my oil. I recently just changed my oil a few hundred miles ago and it already smells strong of gas. Also the oil level is now high. I removed the fuel rail looking for a leaking injector but could not find one. I don't know what to do, maybe buy all new injectors? My jeep is a 99 wrangler with the 4.0. Any help would be greatly appreciated! Thanks

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Unread 01-19-2013, 03:51 PM   #2
TimV
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2003 TJ Wrangler 
 
Join Date: Jul 2010
Location: MD
Posts: 754
Sounds like a bad fuel pressure regulator.
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Unread 01-19-2013, 04:11 PM   #3
Terdar
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2006 LJ Wrangler 
 
Join Date: Mar 2011
Location: Tampa, FL
Posts: 157
How do your plugs look? See if one is fouled.
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Unread 01-19-2013, 05:39 PM   #4
durango-bob
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2000 TJ Wrangler 
 
Join Date: Jul 2008
Location: Sioux Falls, South Dakota
Posts: 2,731
The most common way for fuel to get into the oil is past the rings. You could have excessive wear or some other sort of piston damage. I recommend a compression test as the first step to see if one cylinder is worse than the others.
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Unread 01-19-2013, 06:51 PM   #5
Felber
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1999 TJ Wrangler 
 
Join Date: Jan 2013
Location: Wausau, Wisconsin
Posts: 2
I don't see a pressure regulator. Also i just replace the plugs, wires, distributor, and rotor hopping it would fix the problem but it didnt. Also i hate to think that it has bad rings since it only has 100k miles.
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Unread 01-19-2013, 06:52 PM   #6
JBD
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Join Date: Sep 2006
Location: Roseville,Ca
Posts: 157
intake manifold gasket
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