P1134 SUBARU Possible Causes
- Faulty front oxygen sensor
- Front oxygen sensor harness is open or shorted
- Poor electrical connection in the front oxygen sensor circuit
- Faulty Engine Control Module (ECM)
How to Fix P1134 SUBARU Code?
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
- Check Engine Light on (or Service Engine Soon Warning Light)
P1134 SUBARU Meaning
Front oxygen sensor microcomputer problem is the generic description for Subaru code P1134, but the manufacturer may have a different description for your vehicle’s model and year. Currently, we do not have more information about the Subaru P1134 OBDII code.