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Merces W166 Maf problem
20-08-2017, 19:05 PM,
Post: #1
Merces W166 Maf problem
Hello i have one Ml350 bluetec 2012 chek engine lamp is came do you have idea what can be. This problem from pictuee car is running okey but when clean the wrong againg lamp is come [Image: d59b710f2702c951fefa5ff7b04a9450.jpg]

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20-08-2017, 19:53 PM,
Post: #2
RE: Merces W166 Maf problem
Hello
The reason for such trouble are Back Pressure sensor,are located on right side of egr valve !

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16-09-2017, 22:02 PM,
Post: #3
RE: Merces W166 Maf problem
The MAF sensor maybe is defective check that first

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