P0133Nissan Gt-rYears: 1996 - 2026
O2 Sensor Circuit Slow Response (Bank 1, Sensor 1)
Reviewed by ASE Certified Technician
What does this mean?
Code P0133 means the upstream O2 sensor on Bank 1 is switching between rich and lean too slowly, indicating a sluggish sensor response.
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Nissan Gt-r models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
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Common Causes
Faulty oxygen (O2) sensor
Exhaust leak before oxygen sensor
Vacuum leak in intake system
Clogged or faulty fuel injector
Symptoms to Watch For
- Check Engine Light is illuminated
- Decreased fuel economy
- Failed emissions test
- Rough or unstable idle