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Old 06-03-2008, 07:02 PM   #1
Bandit84
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1994 ZJ 
 
Join Date: May 2008
Location: MN
Posts: 7
Plenum Gasket

I pretty sure i have this going out on my 1994 ZJ. It always puffs out a cloud of smoke at startup. Took of the air intake cover over the TB, It had a light oil residue. Is this really nessasary to fix. It only burns a quart of oil every 1k even with 265k.
Thanks

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[B]94' Jeep ZJ 5.2L 261k miles

99' Jeep Wrangler Sahara 4.0[/B]
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Old 06-03-2008, 07:08 PM   #2
Kruzin
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1993 ZJ 
 
Join Date: Aug 2007
Location: Casper, WY.
Posts: 3,056
With that many miles, it would also be very possible that the valve guides in the heads are worn. That would also cause similar symptoms, and would be normal at that milage.
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Old 06-04-2008, 04:11 PM   #3
Colorado 5.9
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1998 ZJ 
 
Join Date: Dec 2001
Location: Denver, Colorado
Posts: 1,913
When a plenum gasket is leaking you wont see any of the oil burning. You just get a lot of pinging & oil consumption.
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