C250D Maf censor effect on tranny

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Arno

New Member
Joined
Aug 18, 2005
Messages
16
Location
south africa
Car
1996 c250d
Could a faulty Maf sensor have an effect on my tranny slipping between 2/3. This seems to be happening only when the car is scold and when driven on low revs.The problem is also occurring when driving around corners when the transmission shifts from 2 / 3 rd.

If driven on high revs from the start the shifting is normal. The problems seem to have started after I've blocked of the egr unit by using an alumunium plate. I forgot to reconnect the pipe running from the maf sensor to the intake manifold and only realised my mistake after the car was misfiring and smoking at ± 90 km/ hour. I replaced the pipe and the car was fine. The performance of the car was however not what it used to be and the slipping of the 2/3 shifting was worse.

I'm new to this forum and help would be appreciated. I'm not a diy specialist but am enjoying the technical side of these great diesels.
 
Hi, Are we talking a manual gearbox here?
 
no its good its an auto. Auto boxes can easily be rebuilt, but no one seems to want to touch the manual one. Graham C230k had a similiar problem with a manual box slipping out of gear and he has also had a MAF go. I'm sure Graham will be able to help with some suggestions!
 
May just need an ECU reset.
 
I had a couple of false neutrals in the past - turned out to be low gearbox oil (leaking seal). Since replaced and fine.
 

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