contain cylinder #1. Sensor 1 is the "upstream" sensor located before the catalytic converter.

. On Nissan vehicles, this sensor is critical for engine efficiency, and a failure typically triggers a "Check Engine" light immediately. 🛠️ Code Overview Definition:

: Some models may restrict fast charging (DC Quick Charge) if the battery heater is non-functional in freezing temperatures. CarParts.com Recommended Troubleshooting Steps Check 12V Battery