C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

New parts and still pulling P0101, P0141 & P0340 codes

Old Sep 19, 2013 | 02:04 PM
  #1  
mostafaberg's Avatar
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From: Norway
W203 C200K (2001)
New parts and still pulling P0101, P0141 & P0340 codes

Hey guys !

I had those error codes since u bought the car

P0101
P0141
P0340

I bought a new MAF and a new camshaft position sensor,
Installed the new parts
reset the codes
Take the car for a drive

Then errors are back again.

To make sure the parts worked I unplugged the mad and got extra errors, also the engine wasn't idling smoothly.

Plugged maf back in and unplugged The cam sensor, engine started idling roughly again. But same errors remained for the cam sensor...

I didn't change the O2 sensor yet. I'm even scared I'd buy another part and have the same errors again.


With some research I heard that you might have to put it on a star system to make it learn the range of the new MAF, can someone confirm ?

Could it be something I'm missing ? Any help or tips would be appreciated
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Old Sep 26, 2013 | 02:02 PM
  #2  
mostafaberg's Avatar
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From: Norway
W203 C200K (2001)
Bumping..
problem is still there since i posted this,the car drives perfect and nothing seems wrong, though the errors won't go away, cleared them many times... any tips ?
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Old Sep 26, 2013 | 02:10 PM
  #3  
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some only mercedes can clear fault codes, they are stored in the computer, even though you replaced parts and eveything is ok, try and find someone with star to get rid of codes, doing them on cluster wont get rid of it.
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Old Sep 26, 2013 | 02:16 PM
  #4  
mostafaberg's Avatar
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From: Norway
W203 C200K (2001)
Originally Posted by corkshoppe
some only mercedes can clear fault codes, they are stored in the computer, even though you replaced parts and eveything is ok, try and find someone with star to get rid of codes, doing them on cluster wont get rid of it.
Oh thanks a lot for the tip !, I didn't know that ! Do you know what other codes I can't clear with my OBD ?
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