MG ZS Sedan Oxygen (lambda) sensor replacement Cost
2004–2005 · Engine, Fuel & Emissions system
Typical range
$100–$173
Parts + labour
Labour hours
0.5–2h
At a typical garage
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. MG ZS Sedan oxygen sensor replacement costs $100–$173.
Warning signs you need 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)
What affects the price
- 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)
Common questions
How much does oxygen (lambda) sensor replacement cost on a MG ZS Sedan?
Oxygen (lambda) sensor replacement on a MG ZS Sedan (2004–2005) typically costs between $100 and $173 including parts and labour at an independent garage.
What parts are needed for oxygen (lambda) sensor replacement on a MG ZS Sedan?
Consult your mechanic for the specific parts required for your vehicle.
How long does oxygen (lambda) sensor replacement take on a MG ZS Sedan?
Oxygen (lambda) sensor replacement on a MG ZS Sedan typically takes 0.5–2 hours of labour at a garage.
How often does oxygen (lambda) sensor replacement need to be done?
For a MG ZS Sedan, oxygen (lambda) sensor replacement is typically needed every 60,000–100,000 miles for standard sensors; longer for wideband sensors on newer vehicles.
Other engine, fuel & emissions system repairs on the MG ZS Sedan
- ABS hydraulic unit replacement$340–$587
- ABS sensor replacement$140–$242
- ABS system bleeding$112–$193
- AC compressor clutch replacement$280–$483
- AC compressor replacement$300–$518
Oxygen (lambda) sensor replacement cost on similar cars
- SEAT Ibiza 3 Doors$100–$173
- VOLKSWAGEN Polo 5 Doors$100–$173
- OPEL Corsa 3 Doors$100–$173
- FORD Fiesta 5 Doors$100–$173
- CITROEN C3$100–$173
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