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??

Posted / edited by AnonymousUser on : 19-02-2018

Answers :

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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