P1130 CHEVROLET Possible Causes
- Faulty Heated Oxygen Sensor (HO2S), Bank 1 Sensor 1
- Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 harness open or shorted
- Heated Oxygen Sensor (HO2S), Bank 1, Sensor 1 circuit, poor electrical connection
How to Fix Code P1130 CHEVROLET?
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)
P1130 CHEVROLET Meaning
The Powertrain Control Module (PCM) monitors the activity of the Heated Oxygen Sensor (HO2S) for 60 seconds. During this period, the PCM counts the number of times the HO2S switches from rich to lean and from lean to rich.