DTC U2104 Cadillac
Left HO2S Sensor (Before TWC) Aging - Sensor Too Sluggish
Left HO2S Sensor (Before TWC) Aging - Sensor Too Sluggish
Description
Operational fault of left O2 sensor, before TWC. Sensor aging - O2 sensor too sluggish: response time too long or too short.
Cause and Solution
Left O2 sensor
Video Guide
Diagnostic Info
- DTC Code: U2104
- Brand: Cadillac