P1154 HONDA Possible Causes
- Faulty O2 sensor
- O2 sensor harness is open or shorted
- Poor electrical connection in O2 sensor circuit
- Extremely rich or lean air/fuel ratio
- Air leak in exhaust near O2 sensor
How to Fix Code P1154 HONDA?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1154 HONDA Meaning
HO2S 21 Transition Time Ratio is the generic description for Honda code P1154, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about Honda OBDII code P1154.