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P0170 Diagnostic Trouble Code Discussion for May 2006

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
1999 Mercedes-Benz CLK320 3.2L MIL Lamp on VIN: WDBLJ65GXX
P0170: fuel trim malfunction. to all benz techs. I have a clk320 that was sold, by chevy dealer. check engine light came on. scanned vehicle found codes 170 and 173. engine runs good, not noticeable idling issues. looking at datastream find long term fuel trims to be 32 percent and 30 perc...
May 19, 2006
1998 Mercedes-Benz A140 1.4L Poor Idle Quality VIN: WDB1680311
P0170: Self Adaptation too rich. ... doesn't idle when cold and has poor acceleration untill the engine gets hot before it will move fine, check for codes and found two one active P0130 O2 sensor upstream of twc minimum voltage not reached and active and stored P0170 self adaptation too rich,...
May 21, 2006
2001 Mercedes-Benz C240 2.6L Misfire VIN: WDBRF61J21
P0170: fuel trim malfunction bank 1. ... P0304, P0305, P0306, P0170 and P0173. After checking the plugs, I found it had the wrong plugs installed and they were in bad shape. I replaced the plugs and road tested vehicle for about 35 miles. The mil came back on, on...
May 31, 2006