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-   -   2001 ml320 code P0173 (http://www.peachparts.com/shopforum/showthread.php?t=137623)

bewright573 11-18-2005 06:47 PM
2001 ml320 code P0173
 
I have a 2001 ml320, the check engine light keeps coming on. Went to autozone, had the code read. It was P0173. They cleared it out and everything was fine for a couple of weeks. The light has came on again, and has gone off again on its own. But i noticed it would come on after a hard acceleration, but not immediately. I may drive 5 miles before it comes back on. Is it the MAF sensor I keep reading about? Thanks for any help:)

carson356 11-18-2005 06:52 PM
Quote:
Originally Posted by bewright573
I have a 2001 ml320, the check engine light keeps coming on. Went to autozone, had the code read. It was P0173. They cleared it out and everything was fine for a couple of weeks. The light has came on again, and has gone off again on its own. But i noticed it would come on after a hard acceleration, but not immediately. I may drive 5 miles before it comes back on. Is it the MAF sensor I keep reading about? Thanks for any help:)

it is possibly the sensor as you said, the code PO173 defines as (P0173 Fuel Trim Malfunction Bank 2)
before you replace any costly parts i would suggest a proper diagnosis by a reputable mercedes shop in your area.

bewright573 12-03-2005 06:39 PM
looks like it was the maf sensor.


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