Parts for your 2025 Mitsubishi Eclipse cross-Camshaft sensor

2025 Mitsubishi Eclipse Cross camshaft sensor: what it does and how to look after it

The 2025 Mitsubishi Eclipse Cross does use a camshaft position sensor. Both the 1.5‑litre MIVEC turbo petrol and the Eclipse Cross PHEV’s 2.4‑litre Atkinson‑cycle engine rely on a camshaft sensor for sequential fuel injection, ignition timing, and variable valve timing control. This is documented in Mitsubishi’s Eclipse Cross Workshop/Service Manual (Group 13A: Engine Electrical – Camshaft Position Sensor) and reflected in the Mitsubishi ASA global parts catalogue listings for these engines. Mitsubishi diagnostic literature also specifies DTCs P0340/P0341 for this model line, confirming the sensor’s role. So the camshaft sensor is absolutely relevant and fitted to MY25.

On the road, the camshaft sensor helps the ECU know exactly where each cam is, so it can fire injectors and spark at the right moment and phase MIVEC properly. If it goes out of whack, owners may notice hard starting, rough idle, a flat feel under load, higher fuel use, or the check‑engine light.

It’s not a scheduled service item, but there are smart checks to fold into regular servicing of a 2025 Eclipse Cross:

• Inspect the sensor harness and connector near the timing cover for oil wicking, brittle insulation, or loose pins.
• Look for engine‑oil leaks that could contaminate the sensor area.
• Scan for stored or pending codes (especially P0340/P0341) after any no‑start, misfire, or VVT performance complaint.

If replacement is required, confirm the fault with a scan tool and live data, then rule out wiring issues and the crankshaft sensor first. Use a genuine or OEM‑quality sensor, fit a new O‑ring if applicable, and tighten to the manufacturer’s spec. After installation, clear codes and perform any required idle or cam/crank relearn with a capable scan tool. For PHEV models, standard 12‑volt procedures apply for the cam sensor, but avoid contact with high‑voltage orange‑cable runs while working under the bonnet.

Good news: many failures are intermittent, caused by a tired connector or chafed loom. Fixing those often restores crisp starts, smooth idle, and proper MIVEC response without replacing the sensor. If the sensor itself has failed, it’s a straightforward swap for a qualified technician and typically doesn’t require major disassembly.

• Where is the camshaft sensor on a 2025 Eclipse Cross?
  On the 1.5‑litre turbo, it’s mounted at the cylinder head near the front timing cover area, reading a cam trigger on the intake side. On the 2.4‑litre PHEV, it’s in a similar spot at the head, with easy access from the top/front under the engine cover.
• What are common signs or codes of a failing camshaft sensor?
  Typical symptoms include long crank, no start, rough idle, reduced power, poor economy, and the MIL on. Common OBD‑II codes logged by Mitsubishi diagnostics for this sensor are P0340 (circuit) and P0341 (range/performance).
• Does the camshaft sensor need routine replacement?
  No. It’s a fit‑and‑forget component and only replaced when faulty. During regular services, a quick visual check of the connector and wiring, plus a scan for stored codes, is plenty.