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2004 Chevrolet Impala, ECM/Inputs/Outputs Schematic
Posted to the Waveform Library on 11/19/2012

rear O2 sensor grounded through chassis

 

car Vehicle Data

2004 Chevrolet Impala 3.4L

Engine3.4 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Good

car Vehicle Data

2004 Chevrolet Impala 3.4L

Engine3.4 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Good