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2002 Mitsubishi Lancer LS, ECM/Inputs/Outputs Scan Data
Posted to the Waveform Library on 3/3/2012

P0171 usually isn't caused by an oxygen sensor, but in this case, the oxygen sensor is bad.

 

car Vehicle Data

2002 Mitsubishi Lancer LS 2.0L

Engine2.0 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

car Vehicle Data

2002 Mitsubishi Lancer LS 2.0L

Engine2.0 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad