Parts for your 2023 Mitsubishi Triton-Maf sensor

2023 Mitsubishi Triton MAF sensor — what it does, and how to look after it

Based on technical references, the 2023 Mitsubishi Triton (MR series, 4N15 2.4‑litre turbo‑diesel) does use a Mass Air Flow (MAF) sensor. Mitsubishi’s MR Triton workshop/service manual (Group 13A: Intake Air System) details a Mass Air Flow Sensor mounted to the air cleaner outlet, and the Mitsubishi ASA/EPC parts catalogue lists an airflow meter for the 4N15 intake. Major OE catalogues (e.g., DENSO airflow meter listings for Triton/L200 2015–2023, 4N15) also specify a MAF for this platform. So yes, a MAF sensor is fitted and relevant on the 2023 Triton.

On this Triton, the MAF sensor measures the actual mass of air entering the engine. The ECU uses that live airflow to dose fuel precisely, control EGR flow, manage turbocharger response, and keep DPF regeneration on track. It works alongside the MAP sensor and intake temperature data to keep things smooth, clean and efficient. When the MAF goes out of range, you’ll often notice poor pulling power, higher fuel use, a bit of black smoke under load, or a check‑engine light with codes like P0101–P0104.

For servicing, it’s smart to treat the MAF like part of the intake filtration system. Keep the air filter in good nick (especially if touring in dust), make sure the airbox seals properly, and avoid oiled performance filters that can contaminate the sensing element. If drivability gets a bit off or a fault code pops up, a careful clean with proper MAF cleaner can help—don’t touch the element and don’t hit it with brake or throttle‑body cleaner. If contamination or sensor drift persists, replacement is straightforward and usually requires no coding.

• Location: bolted to the airbox outlet (upstream of the turbo), typically with two screws and a 5‑pin plug.
• Basic swap: key off, disconnect the battery, unplug the connector, remove the screws, lift the unit out, fit the new O‑ring/sensor, and refit. Start and let it idle to stabilise trims.
• Intervals: inspect the intake and filter each service, consider MAF inspection/cleaning every 40,000–60,000 km in dusty use.
• Tips: check for intake leaks after the MAF (split hoses, loose clamps) as they can trigger MAF range codes.

Sticking with genuine or reputable OE‑equivalent sensors pays off. A healthy MAF keeps the Triton running clean, punchy and economical, and it helps protect the DPF when towing or working hard.

Popular questions

Where is the MAF sensor on a 2023 Mitsubishi Triton?
It’s mounted on the air cleaner outlet, just before the intake hose to the turbo. Look for a small rectangular housing with a plug and two fixing screws. Easy to spot and easy to remove for inspection.

Do you need to program a new MAF sensor on a Triton?
No special coding is typically required. After fitting, reconnect the battery and let the engine idle for a few minutes so the ECU trims settle. Clearing old fault codes and checking for intake leaks is good practice.

Is it OK to drive with a faulty MAF?
The Triton will often go into a reduced‑performance strategy. You might see higher fuel use and risk stressing the DPF. Best to diagnose, clean, or replace the MAF rather than keep driving with the fault.