Cadillac Mass Air Flow Sensor DIY Replacement, Cost
Updated Monday Apr 02, 2018
In this step-by-step guide, you will find instructions on how to change the Mass Air Flow (MAF) sensor on Cadillac vehicles. Changing the mass air flow sensor on a Cadillac is very easy and takes less than 30 minutes. Typical cost to change Cadillac mass air flow sensor at the dealer or mechanic cost between $250-$500. Changing Cadillac MAF sensor yourself typically costs under $100 when purchasing the MAF sensor online, see the link below. MAF sensor is located near the air filter housing as shown in the following pictures and is quite easy to change.
- Cadillac is hard to start or has trouble turning over
- Engine stalls soon after starting.
- The engine runs unusually lean or rich idling.
- Cadillac engine drags or hesitates when idle or under load.
- Cadillac hesitates and jerks during acceleration.
- Cadillac engine hiccups.
- Check Engine Light stays ON
What you will need
- Cadillac MAF Sensor
- Basic Tools
- In some cases, Torx Socket Bit may be required to remove the screws from your Cadillac air flow sensor.
Step 1: Open hood
Open the hood of your Cadillac. The hood release is located under the dashboard on driver's side.
Step 2: Locate mass air flow sensor
Locate the mass air flow sensor on your Cadillac. The sensor is located near the engine air filter housing as shown in the picture above.
Step 3: Unplug the wire harness
Unplug the electrical connector from your Cadillac mass air flow sensor. You will need to press on the tab to unclip the connector then pull the wire harness connector away from the MAF.
Step 4: Replace vehicle MAF Sensor
Remove the screws that hold the mass air flow sensor in place.
Step 5: Install new MAF on Cadillac
Install the new MAF on your Cadillac. Tight the screws so that they are snug. Plug the electrical connector until it locks in place.
We hope that this guide will help owners of Cadillac ATS, CTS, XTS, CT6, XT5, Escalade, SRX, DTS, STS, BLS, XLR learn how to change MAF sensor.
- Always handle the MAF element with care. Touching the MAF element with your bare hands or getting oil on the sensor can cause damages to the sensor.
- Use a Genuine MAF Sensor whenever possible.