Having problems with your 1998 Chevrolet Blazer ?
Diagnostics tool says the Passenger O2 sensor circuit is open. Replaced Sensor, same code, tried a different computer, same thing. Wiring was said to be checked with no fault found. What can it be??
Did your tool state whether it was the up stream or down stream 02 sensor on the pass side
Repair Help & Product Troubleshooting for 1998 Chevrolet Blazer
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