P0153: Upstream O2 sensor slow response (Bank 2 Sensor 1)
Drive carefully. Get it checked within a week or two.
Can I drive with P0153?
Yes, but drive carefully and get it checked soon. Sluggish Bank 2 sensor delays fuel adjustments; safe to drive, slight mileage loss.
What does P0153 mean?
P0153 stands for O2 Sensor Circuit Slow Response (Bank 2, Sensor 1).
Symptoms you may notice
- Drop in gas mileage by 10% to 15%
- Slight hesitation or sluggish response when accelerating
- Check engine light illuminated
How much does it cost to fix?
Repair costs for code P0153 depend on the specific underlying root cause, ranging from simple DIY checks to component replacement. The table below lists the most common causes and rough price ranges in USD:
- Aging, carbon-fouled Bank 2 oxygen sensor
- Bank 2 exhaust manifold leak
- Silicone contamination from gasket sealer
- Engine oil burning
What to do next
- Check for exhaust ticking sounds on Bank 2.
- Replace Bank 2 upstream oxygen sensor.
- Clear codes and road test.
Last updated: October 2026
Related codes
General guidance only, not a professional diagnosis. If the check-engine light is flashing, or the car is running rough, overheating or losing power, stop driving and get help.
About this code
Code P0153 indicates a slow-switching front sensor on Bank 2. Replacing it restores optimal gas mileage.