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Old 05-23-2013, 08:12 PM   #1
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engine smoking

i have an 06 tj took it rousch creek kinda flooded it got home change the oil lots water in in oil, didnt start smoking till i changed the oil took it to my buddy house pulled the pan replaced rod bearings, did a compression test had 150 on 5 of the cylinder an the other on was 142 so i dont think rings are bad checked pcv valve its good valve seat oil scraper rings???? i dont know where to go with this now any help would be awesome also oil psi is good at idle then when i start driving for a lil when it gets warm when i stop i loose oil psi but no valve tap give it gas go's right back up oil sender unit?????????

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Old 05-29-2013, 11:35 PM   #2
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Since you watered it down you could still have some water or moisture in the sending unit wiring. You could also have a flaky oil psi gauge but if it worked fine check under the hood. The smoking was the burning off of the water unless you are smoking blue then read the plugs they will tell you a story see attached picture.
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Old 05-31-2013, 12:46 PM   #3
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Quote:
Originally Posted by T-mac View Post
i have an 06 tj took it rousch creek kinda flooded it got home change the oil lots water in in oil, didnt start smoking till i changed the oil took it to my buddy house pulled the pan replaced rod bearings, did a compression test had 150 on 5 of the cylinder an the other on was 142 so i dont think rings are bad checked pcv valve its good valve seat oil scraper rings???? i dont know where to go with this now any help would be awesome also oil psi is good at idle then when i start driving for a lil when it gets warm when i stop i loose oil psi but no valve tap give it gas go's right back up oil sender unit?????????
If the compression is down on cylinder like that, most likely the ring is damaged. Not saying you cant run like that, but the compression will get worse over time.
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