Mass Air Flow Sensor replacement & service done differently
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Read our short guide with information on costs, symptoms and more.
What does a Mass Airflow Sensor do?
The mass airflow sensor measures the amount of air entering the air inlet. The engine's computer will process this information and adjust the amount of fuel injected into the engine accordingly, to ensure that an optimal fuel to air mixture enters the cylinder for combustion. The system is important to reduce fuel consumption as well as emissions. The sensor is usually located right behind the air inlet and filter and is mounted in a detachable unit usually made from plastic.
Over the years there have been several types of air flow meters, some make use of a spring-loaded vane, some feature a membrane. Again others make use of a thin hot wire through which an electric current flows, as the air flow over the wire increases the wire becomes colder, resistance decreases leading to more electricity flowing through the wire which inform the ECU about the amount of air coming into the engine.
How do you know there is something wrong with the Mass Airflow Sensor?
- When the 'Check Engine' light on your dashboard is on.
- When the engine won't start or cuts out during operation.
- When the engine misfires.
- 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.
When should you consider a Mass Airflow Sensor replacement?
Over time, the sensor can become soiled due to dirty air flowing past the sensor (usually due to a dirty air filter). This diminishes the sensor's ability to regulate the amount of air flowing through. In turn eading to the ECU being unable to regulate the fuel injected into the engine according to the actual amount of air flowing in. This can lead to a variety of issues; a lean or rich running engine, high fuel consumption and so on.
For optimal combustion cycles in the engine it is therefore important to service the mass airflow sensor as and when stipulated in the guidelines set out by your car's manufacturer. Professional and timely maintenance is essential to prevent further damage of other parts of the engine. Should you experience problems with the mass airflow sensor, then it is advisable to have it inspected and, if necessary, have the sensor replaced.
What happens during a Mass Airflow Sensor replacement?
- The mechanic will read the ECU for possible fault codes related to the sensor.
- The mechanic will inspect the sensor and ancillaries (like the vacuum hoses).
- If necessary, the mechanic will replace the sensor.
- The mechanic will check the system again and will test drive the car to ensure proper operation of the engine.
- If necessary the mechanic will make adjustments.
How much does a Mass Airflow Sensor Replacement cost?
The cost of replacing a mass airflow 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 airflow sensor replaced by ClickMechanic, by selecting your car at the top of this page!
Want to know how much you'd pay at a franchise dealer or independent garage?
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
37 manufacturers for Mass Air Flow Sensor Replacement
| Name | Clickmechanic Click mechanic average | Independent garage estimate | Franchise dealer estimate | |
|---|---|---|---|---|
Alfa RomeoParts costs: £200 - £313 Labour time: 0-1 hours # of quotes: 29 |
£286 |
£213 - £306 |
£270 - £414 |
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AudiParts costs: £130 - £245 Labour time: 0-1 hours # of quotes: 458 |
£206 |
£146 - £250 |
£198 - £362 |
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BMWParts costs: £190 - £377 Labour time: 0-1 hours # of quotes: 769 |
£290 |
£202 - £360 |
£263 - £509 |
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ChevroletParts costs: £214 - £258 Labour time: 0-1 hours # of quotes: 52 |
£222 |
£226 - £226 |
£280 - £280 |
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ChryslerParts costs: £174 - £440 Labour time: 0-1 hours # of quotes: 128 |
£267 |
£189 - £381 |
£241 - £472 |
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CitroenParts costs: £134 - £208 Labour time: 0-1 hours # of quotes: 161 |
£188 |
£144 - £219 |
£179 - £290 |
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DodgeParts costs: £130 - £156 Labour time: 0-1 hours # of quotes: 6 |
£158 |
£148 - £176 |
£191 - £247 |
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FiatParts costs: £185 - £329 Labour time: 0-1 hours # of quotes: 171 |
£250 |
£195 - £320 |
£238 - £405 |
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FordParts costs: £98 - £216 Labour time: 0-1 hours # of quotes: 535 |
£179 |
£113 - £226 |
£144 - £297 |
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HondaParts costs: £293 - £379 Labour time: 0-1 hours # of quotes: 10 |
£345 |
£317 - £354 |
£398 - £452 |
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HyundaiParts costs: £214 - £270 Labour time: 0-1 hours # of quotes: 25 |
£248 |
£229 - £258 |
£284 - £328 |
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IvecoParts costs: £186 - £268 Labour time: 0-1 hours # of quotes: 100 |
£241 |
£201 - £269 |
£254 - £359 |
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JaguarParts costs: £173 - £291 Labour time: 0-1 hours # of quotes: 112 |
£231 |
£187 - £288 |
£244 - £413 |
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JeepParts costs: £309 - £381 Labour time: 0-1 hours # of quotes: 30 |
£323 |
£320 - £334 |
£393 - £417 |
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KiaParts costs: £319 - £496 Labour time: 0-1 hours # of quotes: 86 |
£415 |
£335 - £459 |
£410 - £576 |
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Land RoverParts costs: £138 - £297 Labour time: 0-1 hours # of quotes: 116 |
£227 |
£160 - £293 |
£220 - £409 |
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LexusParts costs: £169 - £214 Labour time: 0-1 hours # of quotes: 41 |
£205 |
£189 - £215 |
£255 - £313 |
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MazdaParts costs: £147 - £231 Labour time: 0-1 hours # of quotes: 59 |
£214 |
£172 - £238 |
£226 - £320 |
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Mercedes-BenzParts costs: £181 - £412 Labour time: 0-1 hours # of quotes: 392 |
£300 |
£211 - £389 |
£296 - £534 |
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MGParts costs: £175 - £336 Labour time: 0-1 hours # of quotes: 13 |
£279 |
£220 - £326 |
£301 - £427 |
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MINIParts costs: £205 - £331 Labour time: 0-1 hours # of quotes: 88 |
£304 |
£234 - £321 |
£325 - £456 |
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MitsubishiParts costs: £475 - £798 Labour time: 0-1 hours # of quotes: 15 |
£647 |
£504 - £710 |
£624 - £883 |
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NissanParts costs: £151 - £282 Labour time: 0-1 hours # of quotes: 141 |
£257 |
£165 - £281 |
£207 - £366 |
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PeugeotParts costs: £114 - £209 Labour time: 0-1 hours # of quotes: 159 |
£181 |
£124 - £220 |
£157 - £297 |
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PorscheParts costs: £241 - £314 Labour time: 0-1 hours # of quotes: 8 |
£283 |
£267 - £287 |
£340 - £364 |
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RenaultParts costs: £143 - £224 Labour time: 0-1 hours # of quotes: 95 |
£206 |
£154 - £232 |
£192 - £305 |
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RoverParts costs: £253 - £304 Labour time: 0-1 hours # of quotes: 4 |
£298 |
£299 - £299 |
£395 - £395 |
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SaabParts costs: £185 - £247 Labour time: 0-1 hours # of quotes: 97 |
£238 |
£207 - £248 |
£266 - £332 |
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SEATParts costs: £127 - £219 Labour time: 0-1 hours # of quotes: 55 |
£204 |
£141 - £228 |
£178 - £305 |
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SkodaParts costs: £97 - £261 Labour time: 0-1 hours # of quotes: 52 |
£190 |
£108 - £264 |
£138 - £348 |
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SsangyongParts costs: £250 - £300 Labour time: 0-1 hours # of quotes: 2 |
£283 |
£278 - £278 |
£355 - £355 |
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SubaruParts costs: £154 - £264 Labour time: 0-1 hours # of quotes: 13 |
£206 |
£164 - £256 |
£203 - £332 |
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SuzukiParts costs: £119 - £169 Labour time: 0-1 hours # of quotes: 13 |
£176 |
£153 - £186 |
£198 - £243 |
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ToyotaParts costs: £150 - £254 Labour time: 0-1 hours # of quotes: 122 |
£218 |
£172 - £260 |
£222 - £347 |
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VauxhallParts costs: £113 - £249 Labour time: 0-1 hours # of quotes: 821 |
£202 |
£128 - £253 |
£163 - £329 |
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VolkswagenParts costs: £128 - £208 Labour time: 0-1 hours # of quotes: 565 |
£187 |
£139 - £219 |
£178 - £308 |
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VolvoParts costs: £153 - £343 Labour time: 0-1 hours # of quotes: 100 |
£283 |
£172 - £331 |
£227 - £447 |
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Prices could not be created for 43 models. Show ∨
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- LDV
- Ford US
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- FSO
- Maybach
- Rolls-Royce
- Santana
- Tata
- Great Wall
- Piaggio
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- Infiniti
- Dacia
- Aston Martin
- Daihatsu
- Isuzu
- Lada
- Lancia
- Lotus
- Maserati
- Proton
- London Taxi's International
- Smart
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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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.