Parts for your 2022 Mitsubishi Asx-Fuel pump

2022 Mitsubishi ASX fuel pump — what it does and how to look after it

Based on Mitsubishi Motors service information for the 2019–2023 ASX (GG/GK series, 2.0‑litre petrol, MPI) and the MMC ASA/EPC parts catalogue, this model uses an in‑tank electric fuel pump module. Independent parts catalogues from well‑known suppliers also list direct replacement pump assemblies for the 2022 ASX. So yes — a fuel pump is absolutely fitted and relevant on this vehicle.

In simple terms, the fuel pump’s job is to draw petrol from the tank and deliver it to the engine at the steady pressure an EFI system needs for smooth starts, crisp throttle response, and reliable power. The ASX’s in‑tank pump runs quietly beneath the rear seat area, cooling itself in the fuel and feeding the multi‑point injection system at a controlled pressure.

There’s no scheduled replacement interval for the pump on the 2022 ASX, it’s designed to last the life of the vehicle. The in‑tank filter and strainer are integrated into the pump module, and the factory maintenance schedule doesn’t call for periodic replacement. Good habits go a long way, though:

• Keep at least a quarter tank to help cool the pump and avoid picking up sediment.
• Buy quality fuel and avoid running on near‑empty, especially in hot weather or on long trips.
• If the vehicle has been stored, consider fresh petrol before regular driving.

Signs that point to a tired or failing fuel pump include long cranking, hesitation or surging under load, a whining sound from the tank, poor performance on hills, and fault codes for lean running or low fuel pressure. A fuel pressure test and basic electrical checks (battery voltage, grounds, fuses/relay) should be done before calling the pump.

When replacement is needed, access is via the service cover under the rear seat cushion. Standard workshop practice applies: disconnect the battery, safely relieve system pressure, work in a well‑ventilated area with no sparks, replace the tank seal/O‑ring and locking ring if specified, align the module correctly, and prime the system by cycling the ignition before the first start. After installation, check carefully for leaks and verify fuel gauge operation. Most workshops allow roughly 1–2 hours for the job, depending on tooling and conditions.

Technical references: Mitsubishi Motors ASX Service Manual (Fuel, Group 13), MMC ASA/EPC listings for 2022 ASX GG/GK, and major aftermarket pump catalogue fitments confirming the in‑tank module.

Popular questions

Does the 2022 Mitsubishi ASX have a fuel pump?
Yes. The 2022 ASX (2.0‑litre petrol) uses an in‑tank electric fuel pump module that supplies consistent pressure to its EFI system. This is confirmed by Mitsubishi service documentation and parts catalogues covering the GG/GK series.

How long should the factory fuel pump last, and what shortens its life?
Many last well beyond 150,000–250,000 km. Heat, running near empty, and contaminated fuel are the main killers. Keeping a bit more than a quarter tank and using quality petrol helps the pump stay cool and clean.

Can the fuel filter be replaced separately on a 2022 ASX?
The primary filter and strainer are integrated within the in‑tank pump module and aren’t listed as routine service items. If filtration is suspect or the pump is noisy, workshops typically replace the complete module. Some aftermarket internal kits exist, but OE practice is to fit the assembly.