how to replace the 02 sensor
Asked by debpeterson Jul 19, 2016 at 08:24 PM about the 2005 Toyota Highlander
Question type: Maintenance & Repair
Check engine light comes on. Has been diagnosed as 02 sensor problem.
1 Answer
Auto_Centric answered 8 years ago
Its likely the HEGO (heated exhaust gas sensor) but possibly a connector or the harness its self they can be damaged from heat and or abrasion Inspect it first before just changing a sensor UNLESS it was read with the Toyota Techstream scan tool, that's a sure diagnosis of the sensor.