P0133 on Nissan vehicles
O2 Sensor Slow Response (Bank 1 Upstream) — what it means on a Nissan, whether it's safe to drive, and the fixes by model and year.
P0133 on a Nissan means o2 sensor slow response (bank 1 upstream). Most vehicles stay drivable short-term, but diagnose it promptly. The most common cause is aged or contaminated bank 1 upstream o2 sensor (typically $150–$450). Pick your Nissan model below for its known failure patterns, recalls, and TSBs.
What does P0133 mean on a Nissan?
P0133 is set when the upstream oxygen sensor on Bank 1 takes longer than the calibrated maximum to switch between rich and lean readings during normal closed-loop operation. A healthy upstream O2 sensor switches several times per second at 2500 RPM. A "lazy" sensor switches slowly, which prevents the ECM from making fast fuel adjustments — degrading drivability and emissions.
P0133 is a standardized OBD-II code, so its definition is the same on every Nissan. What differs by model and engine is which cause is most likely — pick your Nissan model below for a diagnosis tuned to its known failure patterns, recalls, and TSBs.
Is it safe to drive a Nissan with P0133?
In most cases a Nissan stays drivable for short trips with P0133 active, but diagnose and repair it promptly. This is a moderate-severity code — ignoring it can lead to further damage or a failed emissions test. Exact tolerance depends on the model and engine.
What causes P0133 on a Nissan?
| Cause | Likelihood | Estimated repair (USD) |
|---|---|---|
| Aged or contaminated Bank 1 upstream O2 sensor — Most common after 80–120k miles or after silicone-contamination events. | Most common | $150–$450 |
| Silicone contamination from RTV sealant or anti-freeze leak — Silicone glazes the sensor element and slows it permanently. | Common | $150–$600 |
| Lead-poisoned sensor (rare — leaded fuel exposure) | Rare | $150–$450 |
| Failing sensor heater extending warm-up time | Occasional | $150–$450 |
| Exhaust leak upstream causing the sensor to read inconsistently | Occasional | $100–$500 |
| Aftermarket O2 sensor with wrong response curve | Occasional | $150–$450 |
Repair costs are typical US ranges and vary by Nissan model, model year, and labor rate. A diagnostic trouble code is a symptom, not a guaranteed failed part — confirm the root cause before replacing anything.
P0133 by Nissan model
Select your Nissan model and year for a P0133 diagnosis tuned to that vehicle's failure patterns, recalls, and TSBs.
Nissan Altima
823 NHTSA owner complaints · 7 recalls on record across the years covered below.
Nissan Sentra
484 NHTSA owner complaints · 5 recalls on record across the years covered below.
Nissan Rogue
1,132 NHTSA owner complaints · 13 recalls on record across the years covered below.
Complaint and recall counts are NHTSA totals for the model years covered on this site, not counts specific to P0133.
P0133 on other makes
Other codes on Nissan vehicles
P0133 on a Nissan: frequently asked questions
What does diagnostic trouble code P0133 mean on a Nissan?
P0133 is set when the upstream oxygen sensor on Bank 1 takes longer than the calibrated maximum to switch between rich and lean readings during normal closed-loop operation. A healthy upstream O2 sensor switches several times per second at 2500 RPM. A "lazy" sensor switches slowly, which prevents the ECM from making fast fuel adjustments — degrading drivability and emissions. P0133 is a standardized OBD-II code, so the definition is the same on every Nissan — which cause is most likely varies by model and engine.
What are the symptoms of P0133 on a Nissan?
Check Engine Light is illuminated. Slight reduction in fuel economy. Mild hesitation or surging at steady cruise. Possible eventual P0420 (catalyst code) as the slow O2 fools the cat monitor. Rough running rare unless other codes also present
What causes P0133 on a Nissan?
Aged or contaminated Bank 1 upstream O2 sensor (most-common). Silicone contamination from RTV sealant or anti-freeze leak (common). Lead-poisoned sensor (rare — leaded fuel exposure) (rare). Failing sensor heater extending warm-up time (occasional). Exhaust leak upstream causing the sensor to read inconsistently (occasional). Aftermarket O2 sensor with wrong response curve (occasional)
Is it safe to drive a Nissan with P0133?
In most cases a Nissan stays drivable for short trips with P0133 active, but it should be diagnosed and repaired promptly — this is a moderate-severity code. Ignoring it can lead to further damage or a failed emissions test. Exact tolerance depends on the model and engine.