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1998 Chevrolet Blazer, O2S Scandata
the catalyst is unable to change the oxygen content of the exhaust as shown by the 02 sensor B1S3 (post catalyst). replacement catalytic converter required.
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| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component |
Vehicle Data
1998 Chevrolet Blazer 4.3L
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component |
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