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

MAF sensor trouble

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Old 09-26-2017, 01:20 AM
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C240 2003
MAF sensor trouble

Is anyone here who has encountered this kind of trouble? My c240 2003 would hesitate, stall, lose power and at shut down after some minutes drive. I pulled some codes for cylinder misfire 1,2,5, then also maf sensor switch A, throttle pedal sensor while the pedal works fine. I installed new set of plugs and the coils were checked. My problem is that for the past 6 months, i have been facing maf sensor trouble. Each time i installed an aftermarket oem MAF, it cuts down on the next day. The code will come back. I am afraid to buy new one as i think it will cut down. Is there anything which could be responsible for the failing maf sensor or am i doing something wrong? I got it used from a second owner. Someond suggest that i change the brainbox and ignition, brainbox was changed in the past. What more can i do now please help with suggestion and your past experience.experienc Here are the codes i pulled this morning.
Attached Thumbnails MAF sensor trouble-_20170926_092530.jpg  

Last edited by O'Dare Emmanuel; 09-26-2017 at 04:26 AM. Reason: Attachment
Old 09-26-2017, 10:14 AM
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bone stock E55 AMG
moved to W203 forum...
Old 09-26-2017, 05:14 PM
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not a merc
What make MAF did u buy. Either buy from MB or Bosch. Rest only cuase troubles
Good luck
Old 09-26-2017, 05:24 PM
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C240 2003
Originally Posted by Russell Ormerod
What make MAF did u buy. Either buy from MB or Bosch. Rest only cuase troubles
Good luck
Thank you, i got a preowned Bosch. i think i need to get a new bosch. Gracias
Old 09-26-2017, 05:30 PM
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not a merc
They do go bad at times.Renew theŕ filters..
Also reset self adaption values

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