How To Replace The Mass Airflow Sensor (MAF) On Your Chevrolet
Are you having a hard time getting your Chevrolet to start? Does the engine stall after starting, or does the engine run lean or rich? Your Mass Airflow Sensor (MAF) might be faulty. Don’t take your car to the mechanic! Replacing this part is quick and easy. Learn how to fix it by following the steps below.
The engine control unit uses data from the MAF to calculate the correct mixture of air and fuel the engine needs. Over time, this part can become dirty or damaged, leading to more issues. While a dirty sensor can be cleaned, this part is rather inexpensive, so sometimes, it can be easier to replace the part.
Symptoms that you may notice when your MAF sensor fails:
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- Check the engine light on.
- The car is hard to start or has trouble turning over.
- The engine stalls soon after starting.
- The engine runs lean or rich.
- The engine drags or hesitates when idle or under load.
- The engine’s RPMs fluctuate.
- Poor fuel economy.
- Fault Codes P2280, P2281, or P0068 appear when scanning your car’s ECU.
How to Replace a Chevy MAF Sensor
Changing the mass airflow sensor on a Chevrolet takes less than 30 minutes. The MAF sensor is near the air filter housing, as shown in the following pictures.
What you will need
- Chevrolet MAF Sensor
- Screwdriver
- Open the hood of your Chevrolet. The hood release lever is located under the dashboard on the driver’s side.
- Locate the mass airflow sensor near the engine air filter housing. Mass airflow of other Chevy vehicles.
- Press the red clip slightly to unlock it. Unplug the electrical connector from the mass airflow sensor.
- Remove the screws that hold the MAF in place, then remove the sensor.
- Install the new MAF on your Chevrolet. Tighten the screws so that they are snug. Push the electrical connector until it locks in place.
Mass airflow of other Chevy vehicles.
The check engine light will require a few days of driving to reset. Or you can use an OBD-II scanner to reset the check engine light as long as there aren’t any other fault codes.
Check Engine Light Still On
If the check engine light is still on after you replace the mass airflow sensor, you can use the YOUCANIC Full System Scanner to clear the stored codes. This scanner can also read and clear fault codes on every control module of your Chevrolet.
This guide will help owners of the following Chevrolets. Learn how easy it is to change the MAF sensor.
- Spark
- Sonic
- Bolt
- Volt
- Cruze
- Malibu
- Impala
- Camaro,
- Corvette
- City Express
- Trax
- Equinox
- Traverse
- Tahoe
- Suburban
- Colorado
- Silverado
- Sonic
- Blazer
- Astro
- HHR
- Uplander
- Avalanche
We hope you found this guide helpful. Check these troubleshooting and repair guides for more help on your Chevrolet vehicle.
Putting in a new MAF will do absolutely nothing to the transmission but help your car run better. Tell them to get bent.
100$ is a little high for a 10 min job but hey they have shop overhead cost. You can change it yourself though, it is very simple.
As far as you loosing the transmission warranty, that I am not sure about.
I was told that my MAF sensor was contaminated and it needs to be clean (decontaminated) the part will cost $16.86 and the labor is $100.00. The mechanic advised that this needs to completed ASAP. I told him I can not afford the service right now and he told me that this may cause me to loose my warrantee coverage on my transmission? This sounds kind of fishy, labor at 100.00 dollars??