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2004 Chevrolet Trailblazer EXT LS, ECM/Inputs/Outputs Waveform
CONFIRMED THAT THE HEATER CIRCUIT IN THE OXYGEN SENSOR WAS BEING SWITCHED ON AND OFF AND CHECKED CATALYST EFFECIENCY
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| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
Vehicle Data
2004 Chevrolet Trailblazer EXT LS 4.2L
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Good |
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