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Old 04-16-2013, 03:02 PM   #1
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Burning oil smell

So about 3 months ago i noticed that after my jeep warms up after driving about 15 or so minutes, i get a burning oil smell from my engine. The oil light in my jeep also starts out normal and after running for a bit will drop and sometimes hit zero and the come back to about 20. I replaced the water pump and thermostat a few days ago and I'm still getting this problem. I have noticed a little oil on the back of my block but can't figure out where its coming from. The oil level is fine and doesn't seem like its losing oil. Another thing that I'm not sure is related is that the gasket on my exhaust manifold is pretty singed up and looks burnt. Exhaust is not white in color so I'm thinking its not a bad head gasket. I also noticed one of my cylinders misfire but I'm hoping its due to a bad spark plug which I'm replacing all the plugs and wires this weekend.

My jeep is 98 wrangler tj with a 2.5L 4Cyl

Any ideas on why I'm getting this smell and where the oil could be burning?

Thanks

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Old 04-16-2013, 04:09 PM   #2
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any codes? also if you small burning oil it is probably burning oil. Could be valve cover leaking or something else. Oil on back of the block could be rear main seal. The oil pressure could be a bad sensor.

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Old 04-16-2013, 04:14 PM   #3
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Pretty common for oil to seep out the back of the valve cover which can drip on the exhaust. It takes about 1 hour to pull the valve cover and reseal it. (You can also just check that the valve cover bolts are snugged down, which may fix it.)
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Old 04-16-2013, 04:32 PM   #4
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Quote:
Originally Posted by Dextreme View Post
Pretty common for oil to seep out the back of the valve cover which can drip on the exhaust. It takes about 1 hour to pull the valve cover and reseal it. (You can also just check that the valve cover bolts are snugged down, which may fix it.)
This seems like this could be my problem because around that area is where it seems like the smell is coming from. Im going to try to re seal that this weekend. Thanks for the tip!

Also i am getting some error codes
I'm getting
po0320 and po135
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