Join Now
International Automotive Technicians Network

P0170 Diagnostic Trouble Code Discussion for October 2006

Fuel Trim Lean Or Rich (Bank 1)


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0170
Help Request Posted
1998 Mercedes-Benz ML320 3.2L Hesitation, Surge, Cuts out, No power VIN: 4JGAB54E9W
P0170: Lean right bank. Car runs OK until you want passing gear, then it slows down and will set lean codes. It only does this under extreme throttle and loads, otherwise runs OK. We changed fuel filter and spark plugs and air filter with little change.
October 10, 2006
1995 Mazda Millenia S 2.3L MIL Lamp on VIN: JM1TA2221S
P0170: Lean mixture B1. Vehicle has no service history of engine repair or maintenance. Runs OK. Frreeze data shows code set at idle, warm and in closed loop. this engine is burried under intercoolers and piping to the point that visual inspection and ignition patterns can't be perfo...
October 18, 2006
1999 Mercedes-Benz C230 Kompressor 2.3L MIL Lamp on VIN: WDBHA24G1X
P0170: Fuel trim code. ... replaced MAF sensor. The check engine light came on about 1 month later. Code P0170 fuel trim code. We monitored the air flow and had about 68 grams. We found oil on the new sensor and after cleaning the sensor the flow jumped to over 160. My question is h...
October 23, 2006
2000 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF65J8Y
P0170: Fuel Trim Bank 1. ... always been the cure for P0170/0173 on the Benz line but this one seems to be different...what am I missing? (see repair history) Thanks in advance - Bernie
October 24, 2006
1999 Mercedes-Benz E320 4Matic 3.2L Stall, Misfire, MIL Lamp on VIN: WDBJF82H3X
P0170: Fuel trim limit bank 1. Vehicle starts & dies when cold. If it doesn't die right away, it will die when put into gear. Restarts & often stays running. Came in with MIL & above codes. After reviewing data & researching iATN, replaced MAF and reset adaptions. Symptoms t...
October 26, 2006
1997 Mercedes-Benz C230 2.3L MIL Lamp on VIN: WDBHA23EOV
P0170: Bank 1 fuel system malf. ... looking for some specifications for it. I have a P0170 and unfortunatly we can only comunicate with Merecedes through generic OBDII, I was wondering if anyone knew what the MAF should read in G/S at idle and off idle. I also noticed when i smoke tested thi...
October 27, 2006
1999 Mercedes-Benz E320 4Matic 3.2L Stall, Misfire, MIL Lamp on VIN: WDBJF82H3X
P0170: Fuel trim limit bank 1. Vehicle starts & dies when cold. If it doesn't die right away, it will die when put into gear. Restarts & often stays running. Came in with MIL & above codes. After reviewing data & researching iATN, replaced MAF and reset adaptions. Symptoms t...
October 27, 2006
1998 Mercedes-Benz ML320 3.2L Hesitation, Surge, Cuts out, No power VIN: 4JGAB54E9W
P0170: Lean right bank. Car runs OK until you want passing gear, then it slows down and will set lean codes. It only does this under extreme throttle and loads, otherwise runs OK. We changed fuel filter and spark plugs and air filter with little change.
October 10, 2006
1995 Mazda Millenia S 2.3L MIL Lamp on VIN: JM1TA2221S
P0170: Lean mixture B1. Vehicle has no service history of engine repair or maintenance. Runs OK. Frreeze data shows code set at idle, warm and in closed loop. this engine is burried under intercoolers and piping to the point that visual inspection and ignition patterns can't be perfo...
October 18, 2006
1999 Mercedes-Benz C230 Kompressor 2.3L MIL Lamp on VIN: WDBHA24G1X
P0170: Fuel trim code. ... replaced MAF sensor. The check engine light came on about 1 month later. Code P0170 fuel trim code. We monitored the air flow and had about 68 grams. We found oil on the new sensor and after cleaning the sensor the flow jumped to over 160. My question is h...
October 23, 2006
2000 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF65J8Y
P0170: Fuel Trim Bank 1. ... always been the cure for P0170/0173 on the Benz line but this one seems to be different...what am I missing? (see repair history) Thanks in advance - Bernie
October 24, 2006
1999 Mercedes-Benz E320 4Matic 3.2L Stall, Misfire, MIL Lamp on VIN: WDBJF82H3X
P0170: Fuel trim limit bank 1. Vehicle starts & dies when cold. If it doesn't die right away, it will die when put into gear. Restarts & often stays running. Came in with MIL & above codes. After reviewing data & researching iATN, replaced MAF and reset adaptions. Symptoms t...
October 26, 2006
1997 Mercedes-Benz C230 2.3L MIL Lamp on VIN: WDBHA23EOV
P0170: Bank 1 fuel system malf. ... looking for some specifications for it. I have a P0170 and unfortunatly we can only comunicate with Merecedes through generic OBDII, I was wondering if anyone knew what the MAF should read in G/S at idle and off idle. I also noticed when i smoke tested thi...
October 27, 2006
1999 Mercedes-Benz E320 4Matic 3.2L Stall, Misfire, MIL Lamp on VIN: WDBJF82H3X
P0170: Fuel trim limit bank 1. Vehicle starts & dies when cold. If it doesn't die right away, it will die when put into gear. Restarts & often stays running. Came in with MIL & above codes. After reviewing data & researching iATN, replaced MAF and reset adaptions. Symptoms t...
October 27, 2006