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S500 Question

   
Old Nov 11, 2011 | 09:59 PM
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chy's Avatar
chy
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Question S500 Question
Hi I had Mercedez S500. Engine check light is on. DTC from saner says:
1- PO170 / Fuel Trim (bank1).
2- PO173 / Fuel Trim (bank2).
How can I fix those problems. Thanks!!!!
 
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Old Nov 11, 2011 | 10:49 PM
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chassis221's Avatar
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Joined: Feb 2007
Posts: 2,691
From: Philadelphia, Pa
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Originally Posted by chy
Hi I had Mercedez S500. Engine check light is on. DTC from saner says:
1- PO170 / Fuel Trim (bank1).
2- PO173 / Fuel Trim (bank2).
How can I fix those problems. Thanks!!!!
usually the mass air flow sensor...
 
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Old Nov 26, 2011 | 08:56 AM
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MASTERBENZ's Avatar
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MAF sensor is your culprit!
 
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