MASERATI Oxygen (lambda) sensor replacement
Engine, Fuel & Emissions system·MASERATI repair guide · All models
Get the exact price for your MASERATI
See the fair range for your specific car
Pick your year, model and engine to get an instant estimate without leaving this page.
Estimates in seconds · Always confirm with a qualified mechanic
What is this repair?
Plain-English overview
Oxygen (lambda) sensors measure the oxygen content of the exhaust to help the ECU maintain the correct air–fuel ratio. A failed sensor causes the engine to run rich or lean, increasing fuel consumption and emissions.
Warning signs
How to tell your MASERATI needs this repair
- Check engine light with codes P0130–P0167 or P0036–P0058
- Noticeably worse fuel economy
- Failed emissions test
- Rough idle or hesitation under acceleration
- Catalytic converter failing prematurely (rich running destroys the catalyst)
Common causes
Why MASERATI vehicles need this repair
- 1.Normal component wear over high mileage
- 2.Oil maintenance quality and adherence to change intervals
- 3.Operating temperature and thermal cycling over time
- 4.Age degrading seals, gaskets and rubber components
What affects the price
Why your quote may differ
- Upstream (pre-cat) vs downstream (post-cat) sensor position
- Number of sensors on V6/V8 engines
- OEM vs universal fit sensor (OEM recommended for accurate readings)
Risks of ignoring this
What happens if you delay
- A minor issue becoming a significantly more expensive repair if ignored
- Secondary damage spreading to related components
- Possible roadside breakdown or sudden failure
- Failed roadworthiness inspection or MOT
Full repair guide
Everything you'd want to ask a trusted mechanic
Click any question below to expand.
Pricing for these MASERATI models
Select your MASERATI model
Other makes
Oxygen (lambda) sensor replacement cost on other brands
Get the exact price for your MASERATI
Pick your year, model and engine below. Instant estimate, no account needed.
Estimates in seconds · Always confirm with a qualified mechanic