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#1
03-17-2005, 11:12 PM
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check engine light
Recently I hooked up my ml to the computer because I have my check engine on and it showed me few codes. Code PO150 02 sensor circuit malfunction bank 2 sensor 1.
Code PO170 fuel trim malfunction bank 1 Code PO173 fuel trim malfunction bank 2 and last code PO700 transmission control system malfunction. any information on these codes would be appreciatealso doesn anybody know where is bank 1 or bank 2 ? thanks Last edited by zenek; 03-17-2005 at 11:36 PM. 
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#3
03-31-2005, 08:59 PM
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Check Engine Light
I had fault codes P0173 and P0170 on a ML430 at around 85,000 miles. In spite of much advise and after reading everything I could get my hands on, I resisted changing O2 sensors and replaced the MAF. $240 (don't buy the stuff on ebay for this item...much has been reported as very questionable), a screwdriver and 5 minutes MAX. No problems since than...14,000 miles ago.
Good luck.
__________________
Jim
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