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29/09/2022 11:43 am
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mercedes w204 m271 2008 (105000m)shows code p0171 when i start the car. the car starts to hesitate when i hit the gas and the car hesitates for a minute while i'm driving and then it starts working normally but it doesn't have full power. I replaced the mass sensor, oxygen sensor, spark plugs, fuel pump, inspected the injectors, Crankshaft position sensor, I checked if a hose is leaking somewhere and nothing is leaking. even my mechanic doesn't know what it could be and here I found you on youtube and I hope you know what it could be. I'm desperate (I apologize for my bad English hahah)
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