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The best way to keep your 2nd generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9 running reliably is to regularly change the motor oil and replace the oil filter on the Skyactiv-G turbocharged 2.5 liter inline four cylinder engine. Check out the DIY tutorial for the procedure (with the compatible replacement oil filter part numbers) by clicking on the text link or thumbnail image below.

2016-2021 Mazda CX-9 Skyactiv-G 2.5L I4 Engine Oil Change Guide

If your 2nd generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9 SUV equipped with the Skyactiv-G turbocharged 2.5L I4 engine hasn’t been running well recently, you may need to clean or change the manifold absolute pressure (MAP) sensor. Check out the DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.

2016-2021 Mazda CX-9 MAP Sensor Replacement Guide

If you need to change a burnt out front turn signal or front side marker light bulb in your second generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9 SUV, check out the DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.

2016-2021 Mazda CX-9 Front Turn Signal Light Bulb Replacement Guide

If your second generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9 with the Skyactiv-G turbocharged 2.5L I4 engine hasn’t been running well recently, you may need to clean or change the mass air flow (MAF) sensor. Check out the DIY tutorial for the procedure (with the compatible replacement part numbers and common symptoms.

2016-2021 Mazda CX-9 MAF Sensor Replacement Guide

If you need to change the spark plugs in your 2nd generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9 SUV with the Skyactiv-G turbocharged 2.5L I4 engine, check out the DIY guide for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.

2016-2021 Mazda CX-9 Spark Plugs Replacement Guide

If you’ve been having trouble starting the Skyactiv-G turbocharged 2.5L I4 engine in your 2nd generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9 SUV and the OEM 12 volt car battery is a few years old, you probably need to replace it. To view the DIY guide for the procedure (with the OEM group size and the compatible replacement part numbers), click on the text link or the thumbnail image below.

2016-2021 Mazda CX-9 12V Car Battery Replacement Guide

If you need to change the engine air filter element for the Skyactiv-G 2.5 liter turbocharged inline four cylinder engine in a second generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9 SUV, check out the DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.

2016-2021 Mazda CX-9 Engine Air Filter Replacement Guide

The best place to start when troubleshooting any electrical problem with your 2nd generation (2016, 2017, 2018, 2019, 2020 & 2021) Mazda CX-9 SUV is to check for a blown fuse or a faulty relay in either the engine bay or interior passenger compartment electrical panels. To view the DIY instructions for the procedure (with the compatible replacement fuse types), click on the text link or thumbnail image below.

2016-2021 Mazda CX-9 Electrical Fuse Replacement Guide

If you’ve been having trouble seeing out of the front windshield window of your 2nd generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9 when it is raining or snowing outside, you probably need to change the wiper blades. Check out the DIY tutorial for the procedure (with the OEM wiper blade sizes and the compatible replacement part numbers) by clicking on the text link or thumbnail image below.

2016-2021 Mazda CX-9 Windshield Wiper Blades Replacement Guide

If you need to change a burnt out reverse (or “back-up” / “backup”) light bulb in the housing attached to the tailgate of your second generation 2016, 2017, 2018, 2019, 2020 and 2021 Mazda CX-9, take a look at the DIY tutorial for the procedure (with the compatible replacement part number) by clicking on the text link or thumbnail image below.

2016-2021 Mazda CX-9 Reverse Light Bulb Replacement Guide