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2/16/2008
14:58:16

Subject: exhuast gas
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I've got a 1990 3.9 and at idle everything is fine, when I excellerate I get Large amount of exhuast gas and oil into the air cleaner houseing through the breather cap, no heavy smoke out the tail pipe, any help would be appriciated....



2 things
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2/16/2008
15:11:57

RE: exhuast gas
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2 things that come to mind for me

Bad PCV and or hose

Plen. Gasket






dakota49
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2/16/2008
15:17:17

RE: exhuast gas
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Sounds like broken compression rings,or cracked piston. Time for major engine work. try unpluging one plug wire at a time to see if it stops all the blow-by, if it does, that's the cyl. you have some problems with, of course if you have 2 cyl. that are bad, it won't help.
The only thing is, you said it only happens when you accelarate, if its a broken compression rings, it will do it all the time. Just a lot more when you rev it up.
Good Luck
Dakota49



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