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P0170 Diagnostic Trouble Code Discussion for January 2005

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
1998 Mazda Protege DX 1.5L MIL Lamp on VIN: JM1BC1410W
P0170: Adaptive Fuel Trim Too Rich or Too Lean (Bank 1). ... with check engine light keeps coming on., P0170 fuel trim malfunction, after each reset, it takes about 1 week to 3 months then the same code appear again. i have replaced mass air flow sensor and installed an air vent kit from dealer. still same code keep...
January 06, 2005
1998 BMW 540i 4.4L MIL Lamp on VIN: WBADE6328W
P0170: fueltrim bank 1. ... p0170 and p0173 fueltrim bank 1 + 2. I don't remember these engine have problems with the airmass meter. i went through the knowledge base from 95 to 2000 and could not find a single complain with a fuel trim code. does anyone know what the problem is? doe...
January 12, 2005
1997 Mazda 626 LX 2.5L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1YVGE22D5V
P0170: Adaptive Fuel Trim Too Rich or Too Lean (Bank 1). check engine light on steady,cleared codes and po300 came back and will not clear or comes back right away.also very noisy top end (valve train,timing belt area.?
January 15, 2005