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P0170 Diagnostic Trouble Code Discussion for March 2005

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
1996 Mitsubishi Galant S 2.4L MIL Lamp on VIN: 4A3AJ46G8T
P0170: Fuel Trim Lean Or Rich (Bank 1). i hope someone has run across this problem and can give me some advice and direction. the car is 1996 mitsubishi galant 2.4 liter obd2 california emissions. keep setting codes po170 fuel trim malfunction (bank 1). i have replace mass air flow sensor, oxygen se...
March 03, 2005
1997 Mercedes-Benz C230 2.3L Excessive Emissions, Misfire, MIL Lamp on VIN: WDBHA23E3V
P0170: fuel trim malfunction. car came in with check engine light on. another tech try a new maf sensor with no luck. we replace plugs there were worn out. clean injectors. reset light,came back next day,same code. i am suspecting leaky injectors. please help,if u have seen same problem,an...
March 04, 2005
1997 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF55F7V
P0170: Fuel Trim Bank 1. I'm not a big mercedes guy so I need a little help. car will set code P170 after a week or two drive, could not see any problem with the car O2, MAF, CTS, ETC, look ok emissions also looked good. If some one could point me in direction thank you. John
March 30, 2005