1138 SUZUKI Possible Causes
- Engine vacuum leak
- Faulty mass air flow (MAF)
- Faulty HO2S
- HO2S harness is open or shorted
- Poor electrical connection in HO2S circuit
How to Fix Suzuki P1138 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
- Engine light on (or service engine soon warning light)
P1138 SUZUKI Meaning
HO2S Circuit High Voltage During Deceleration The fuel cut sensor 2 is the generic description for Suzuki code P1138, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about Suzuki OBDII code P1138.