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General E46 Forum
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Old 03-19-2014, 05:45 AM   #1
Raja0
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Crankcase vale symptoms ? E46

Hi people just wanted to know what are the symptoms of a bad crankcase vale on a e46 318 n42 I'm lacking in low end power but I undone a part of the crank case and it was kinda filled with sludge can this be the problem


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Old 03-19-2014, 05:52 AM   #2
cityjohn
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It could be. Did you get codes read? Try also searching "CCV" and "crankcase ventilation valve"
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Old 03-19-2014, 05:54 AM   #3
Raja0
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Actually funny enough yes I did and it came up with crank sensor I changed them and still came up after I cleared them but still pops up could the crankcase vale set them off then mate ?


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Old 03-19-2014, 06:02 AM   #4
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I think it could, especially if you do mostly short-trip driving
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Old 03-19-2014, 06:17 AM   #5
Raja0
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I'll give it a try dude any guides about how to change the ccv ?


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Old 03-19-2014, 09:07 AM   #6
lszlszx
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Bad crankcase valve will not cause lack of low end power, unless it's so bad that it pumps oil into the cylinder. But there would be a ton of smoke in that case.
It sounds like your CCV needs work though.

If you replace it, remember to clean, or replace the dipstick tube.
Lack or low end power could be a vanos problem, or standard tune up items.
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Old 03-19-2014, 09:13 AM   #7
Raja0
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Thanks dude ! Yh there's tons off smoke out the cover iv changed vanos already still lacking power


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