Lambda Sensor Repair
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£166.97
Average quote for a Lambda sensor repair
The lambda sensor, more commonly known as the oxygen sensor, is a small probe in the exhaust system between the catalytic converter and exhaust manifold. Modern cars often have two or more of these sensors at different points in the exhaust stream. They monitor the oxygen level in the car’s exhaust gases.
Lambda sensors play a crucial role in making sure your car meets emissions regulations.
They send information to the engine control unit (ECU), which optimises the air-fuel ratio to ensure efficient combustion and fewer harmful exhaust gases.
Exhaust repair
The average price of an exhaust repair booked through FixMyCar is £107.62. A warning light on the dashboard is the most common indicator that an exhaust needs to be repaired. The cost of the repair will depend on what is causing the problem.
Can include- Diagnosis
- Exhaust leak repair
Brake repairs
The average price of a brake repair booked on FixMyCar is £440.93. Brake repairs are common and often involve the replacement of parts.
Can include- Diagnosis
- Brake pad replacement
- Brake caliper repair
- Brake fluid replacement
- Handbrake repair
- Brake lines repair
- Brake disc replacement
Car fluid leak repairs
The average price of a car fluid leak repair on FixMyCar is £79.19.
Fluid leaks can be caused by a number of different things within your car. When you notice a leak, the best thing to do is contact a garage or mechanic as soon as possible who can help to diagnose what the problem is.
Can include- Car leak diagnosis
- Leak repair
Symptoms of a faulty lambda sensor
Common signs of lambda sensor failure include an illuminated check engine light, black smoke from the exhaust, poor mileage, a drop in performance, stalling and engine misfires.
It’s important to act fast if you suspect your car’s lambda sensors are faulty; otherwise, it could lead to catalytic converter failure, which is expensive to fix.
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Learn more about sensors
How long do lambda sensors last?
Typically, lambda sensors will last between 50,000 and 100,000 miles.
Will a faulty lambda sensor cause an MOT failure?
When a lambda sensor malfunctions, your car's harmful exhaust gases increase, which is flagged during the emissions test part of an MOT, resulting in a failure. Likewise, a faulty sensor will often trigger the engine management light, which will also cause your car to fail.
Find out about common MOT fails & how to avoid them.
Can you drive with a lambda sensor issue?
Technically, you can still drive with a faulty lambda sensor, but we wouldn’t recommend it. Not only will your car’s fuel consumption and emissions increase, but you will also run the risk of catalytic converter failure. Fitting a new catalytic converter is expensive compared to replacing an oxygen sensor, so it’s better to fix the sensor issue as soon as possible.
