NTK Air / Fuel Ratio Sensor P/N:27071
NTK 27026 air / fuel ratio sensor for the 2018-2020 Mitsubishi Outlander PHEV 4-cylinder 2.0L, the 2021-2022 Outlander PHEV 4-cylinder 2.4L and other vehicles reads the exhaust and sends the ECU a continuous signal. It is an upstream sensor that helps the ECU keep the air-fuel mixture close to stoichiometric.
A check engine light, rough running or poor fuel economy can be signs of a worn sensor, but exhaust leaks and wiring faults can cause the same symptoms. With the engine off and cool, look over the visible wiring and connector for cracks, melting or corrosion before you replace the sensor.
This heated, wideband sensor is a direct-fit replacement for the 2014-2020 Mitsubishi Outlander 4-cylinder 2.4L or V6 3.0L, the 2017-2018 Mitsubishi Mirage 3-cylinder 1.2L and other vehicles. If your car is not named on this page, enter its year and engine in the "Vehicles it fits" section to see whether it takes this sensor.
Fit and size
Build and materials
One air / fuel ratio sensor with water-resistant connectors and harness accessory hardware for easy installation. This listing is one sensor, and the fitment calls for one per vehicle.
Interchange: 234-5180 · 234-5182
1588A274 · 1588A307 · 1588A363 · 1588A459 · 1588A467
This part cross-references / interchanges with the following part numbers:
Does the NTK 27026 fit the 2018-2020 Mitsubishi Outlander PHEV 4-cylinder 2.0L?
Yes. NTK 27026 fits the 2018-2020 Mitsubishi Outlander PHEV 4-cylinder 2.0L and the 2021-2022 Outlander PHEV 4-cylinder 2.4L, and each takes one sensor.
Is the NTK 27026 the right sensor for the 2017-2018 Mitsubishi Mirage 3-cylinder 1.2L?
Yes. NTK 27026 fits the 2017-2018 Mitsubishi Mirage 3-cylinder 1.2L, and the car takes one.
Is this NTK air fuel ratio sensor a wideband sensor?
Yes. It is a heated, 5-wire wideband A/F sensor with a 7/8" (22 mm) hex and an M18 - 1.5 thread.
What can a worn upstream air / fuel ratio sensor cause?
A check engine light, rough running or poor fuel economy can be signs of a worn sensor, though other faults can cause them too. A shop can test the sensor signal with the engine running.
How is the sensor element on the NTK 27026 protected from contamination?
A 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects the ceramic element against poisoning.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.