Thread: Huntings revs after TB work...suspect Y pipe connection?
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Old Sep 7, 2015 | 09:38 AM
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onehundred80
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From: Ontario
Default Re: Huntings revs after TB work...suspect Y pipe connection?
Originally Posted by minimayhem
What checks have you done?

I've now checked all the pipes and reseated everything. Replaced the sensor as well.

The hunting still occurs and now I think I'm getting over-fueling (or a blown CHG).

I think I'm going to swap out my throttle body for the original and see if that helps.
Replaced the sensor? It is not clear what sensor you are using now, old one or the new one.
The MAF housings have different part numbers, one starts with 112 and the other 113. Mercedes does not have different parts with the same number.
Here is a post that shows the different MAF housings and sensors.
As far as I recall when I switched the sensors they were different. The sensor from the larger MAF does not have a Mercedes number on it, just BOSCH numbers.
 
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