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Want to learn more about Mass Air Flow Sensor replacements?
Read our short guide with information on costs, symptoms and more.
What does the mass airflow meter (MAF) do?
The mass air flow sensor (MAF) is used to determine the flow rate of air entering into the intake system. This information is then used together with the information being fed back by lambda sensors to the vehicle's computer to make corrections to the fueling of the engine and make it more efficient.
What does a mass air flow sensor replacement involve?
Depending on the manufacturer, a number of different processes will need to be done in order to access the mass air flow sensor, however the mechanic will need to do some of the following basic steps
- The mechanic will assess the situation by reading the diagnostic codes and checking live data
- Once confirmed that the mass air flow sensor is faulty, they will continue on to replacing it.
- Once replaced, the mechanic will start the engine and recheck the error codes
Can I do a mass air flow sensor replacement myself?
Unless you are a qualified mechanic with the required skills, training and equipment to do the job, we strongly recommend a mass air flow sensor replacement is only carried out by a professional mechanic. ClickMechanic can help get you a vetted and local mechanic to carry out the work. Just enter your postcode and your car's registration number at the top of this page and select the work needed to get an instant fixed price up front.
What are the signs of a bad mass airflow sensor?
You may experience some or a number of the following;
- When the 'Check Engine' light on your dashboard is on (EML)
- When the engine won't start or cuts out during operation.
- When the engine runs rough (a rough idle for example).
- When the engine doesn't perform as well as usual.
- When the car's fuel consumption is higher than usual.
How long will a mass air flow sensor replacement take?
A mass air flow sensor replacement usually takes around 1 hour, but can take less or more time. Ultimately, the time that the job will take will depend on a number of factors, like your vehicle's make and model, year, as well as other factors. Select your car at the top of this page for information on job time and cost for your vehicle through ClickMechanic.
How often should a mass air flow sensor be replaced?
Although the units are getting more reliable, there is a chance you will need to get your mass air flow sensor replaced at least once in a vehicle's lifetime. The basic fact is that if your mass air flow sensor has failed, it needs to be replaced before the car will drive correctly.
However, as there are many other issues that can cause the same symptom, it is better to have a diagnostic done prior to spending money replacing it.
Can you drive with a bad mass air flow sensor?
If you suspect there is any issue with your vehicle's mass air flow sensor or there are concerns about its condition, book an inspection with a professional mechanic as soon as possible, driving the vehicle may lead to further complications and may damage the engine. Engine efficiency will be impaired as the air-to-fuel mixture will not be optimal, and may lead to the engine not starting or running rough.
Is a bad mass air flow sensor an MOT failure?
A mass air flow sensor is used to measure the amount of air flowing into the engine. This information is used by the engine control unit to determine the amount of fuel to inject into the engine. This sensor is not typically checked during an MOT, however, a faulty mass air flow sensor could lead to inefficent running of the engine and from there exhaust emissions above the legal limit, which could mean the vehicle could fail its MOT.
How much does it cost to replace a mass air flow sensor?
Prices for a mass air flow sensor replacement range from £150 to £200 with an average cost of £175. Ultimately, the cost of replacing a mass air flow sensor depends on your car and what parts your car's manufacturer recommends using for the replacement. Find out what you could save by having the mass air flow sensor replaced by ClickMechanic by selecting your car at the top of this page!
Check out the ClickMechanic price for a mass air flow sensor replacement, and find out what you would pay at a franchise dealer. We use industry standard data & millions of data points so you know what you should be paying. These estimates may include Mass air flow (MAF) sensor and Mass air flow (MAF) sensor. We have mass air flow sensor replacement prices for 40 different manufacturers.
Prices could not be created for 40 models. Show ∨
- Microcar
- Metrocab
- Hummer
- Reva
- Asia
- TVR
- Ferrari
- Morgan
- Buick
- Lamborghini
- Pontiac
- Carbodies
- DS
- Mitsubishi Fuso
- Moskvich
- Bentley
- Cadillac
- LDV
- Ford US
- Aixam
- Austin
- Daewoo
- Daimler
- FSO
- Maybach
- Rolls-Royce
- Santana
- Tata
- Great Wall
- Piaggio
- Perodua
- Aston Martin
- Daihatsu
- Isuzu
- Lada
- Lancia
- Lotus
- Maserati
- Proton
- London Taxi's International
Estimates on repair costs, such as the above results for a mass air flow sensor replacement, are created by combining data from multiple third-party sources. The actual cost of using your local repair providers may be outside of the estimated range. We provide estimates on repair costs for information only and accept no liability for any inaccuracies or errors. If you think an estimate is incorrect, please contact us to let us know.
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Mechanics that undertake mass air flow sensor work
- A B Services, London
- Amodeus Ltd, Surrey
- Autotech, Spilsby
- Beeson Motorcycle Ltd, St Leonard’s On Sea
- Bk Auto Services, Worthing
- Crown Auto Hub, London
- Devon Auto Support, Crediton
- Fk Autos Mobile Mechanic, Wisbech
- J.B Services, Tadley
Recent Mass Air Flow Sensor replacement quotes
These recent quotes were taken from our quote engine which uses third-party industry standard data on repair times, along with a live parts retailer, and a regional labour rate to build an accurate free quote. We are constantly improving our quote engine, so please let us know if a price seems incorrect.