Parts for your 2017 Mitsubishi Eclipse cross-Fuel pump

2017 Mitsubishi Eclipse Cross fuel pump — what it does and when to replace it

Yes, the 2017 Mitsubishi Eclipse Cross absolutely uses a fuel pump. Technical literature backs this up: the Mitsubishi Motors Workshop Manual for Eclipse Cross (Group 13A: Fuel) specifies an in‑tank electric fuel pump module, and for the 1.5‑litre turbo direct‑injection petrol engine, a cam‑driven high‑pressure fuel pump on the cylinder head. The Mitsubishi ASA parts catalogue lists both the fuel tank pump module and the high‑pressure pump assemblies for GK‑series Eclipse Cross models. That means there’s a low‑pressure pump in the tank feeding a high‑pressure pump at the engine — a common setup on modern GDI systems.

What’s the fuel pump there for? In simple terms, it gets petrol from the tank to the engine at the right pressure. The in‑tank pump pushes fuel up to the engine bay, while the high‑pressure pump boosts it further so the injectors can deliver a fine, precisely timed spray directly into the cylinders. It’s all about smooth starts, crisp throttle response, and keeping emissions in check.

There’s no scheduled replacement interval for the Eclipse Cross fuel pump, it’s a “replace on condition” part. Still, a bit of care goes a long way. Use quality petrol, try not to run the tank right down on the regular (the pump relies on fuel for cooling), and keep up with scheduled servicing so any early warning signs are picked up.

• Common symptoms it’s time to investigate the pump(s): long cranking or stalling, rough running under load, a loud whine from the tank area, hesitation on overtakes, lean fault codes (e.g., P0087), or low fuel pressure on a scan tool/gauge.
• Good practice during replacement: depressurise the system safely, disconnect the battery, replace the tank module seal/O‑ring, torque the locking ring to spec, and use new crush washers/lines as specified for the high‑pressure side. Prime the system by cycling the ignition before starting, then check carefully for leaks.

Access to the in‑tank pump is typically via an access panel under the rear seat area, so labour is reasonable compared with a full tank drop. The high‑pressure pump lives on the engine and should be handled with care — it’s a precision component, and fuel system cleanliness is critical. A qualified technician with the correct procedures and torque specs from the Mitsubishi manual is the safest bet.

Does the 2017 Eclipse Cross have two fuel pumps?

Yes. It uses an electric low‑pressure pump in the tank and a mechanical high‑pressure pump on the engine for the direct‑injection system. The two work together so the injectors always have the right pressure across a wide range of driving conditions.

What are the early signs the fuel pump is on the way out?

Think hard starts, stumbling under load, noisy humming from the tank, or fault codes like low rail pressure. If it’s hesitating on hills or during overtakes, get fuel pressure checked with a gauge or scan data before it leaves you stranded.

Is the fuel filter serviceable on this model?

The primary filter/strainer is integrated into the in‑tank pump module and isn’t listed as a routine service item. If contamination or pressure issues show up, technicians usually replace the complete module and renew the sealing ring to ensure a proper fix.