Parts for your 2017 Mitsubishi Asx-Map sensor

2017 Mitsubishi ASX MAP Sensor: What it does and how to look after it

Yes, the 2017 Mitsubishi ASX is fitted with a MAP (Manifold Absolute Pressure) sensor. This is confirmed by Mitsubishi technical literature, including the ASX/Outlander Sport 2017 Service Manual (Engine Control section describing the “Manifold Absolute Pressure sensor”) and the Mitsubishi ASA/EPC for Oceania listing a dedicated MAP sensor for 2017 ASX models (e.g., part number 1865A217, “Sensor, Manifold Absolute Pressure”). Both the 2.0L petrol (4B11) and diesel variants use a MAP sensor.

On this ASX, the MAP sensor’s job is to read the absolute pressure inside the intake manifold so the ECU can calculate engine load. That information is used to fine-tune fuel delivery, ignition timing, idle stability and evaporative purge, on diesel/boosted setups it also tracks boost for control and diagnostics. Even on the petrol models that also use a MAF upstream, the ECU cross-checks MAP to improve response, altitude compensation and fault detection.

There’s no set replacement interval for the MAP sensor, it’s a solid-state device and usually lasts the life of the vehicle. As part of regular servicing, a quick check under the bonnet goes a long way: make sure the electrical connector is secure and free of corrosion, confirm the O-ring isn’t split or flattened, and ensure there’s no oil sludge or dust caking around the sensor port. If cleaning is needed, use electronics-safe cleaner only—no picks or wire brushes—so the sensing element isn’t damaged.

If the ASX starts using more fuel, idles roughly, feels gutless on hills or logs a Check Engine light with codes like P0106–P0108, the MAP sensor or its wiring might be the culprit. Replacement is straightforward for a competent DIYer: disconnect the battery, unplug the 3‑pin connector, remove the retaining bolt, lift out the sensor, swap the O‑ring, refit and snug the bolt (don’t over-tighten), reconnect and clear any codes. A short drive will let the ECU relearn trims.

• Typical symptoms of a dodgy MAP: hard starting, flat spots, poor economy, black smoke (diesel), or limp mode.
• Quick tips: keep the air filter fresh, check for intake leaks, and avoid over-oiling aftermarket filters that can foul sensors.

Technical sources referenced: Mitsubishi Motors ASX/Outlander Sport 2017 Service Manual (Engine Control – MAP sensor description and diagnostics), Mitsubishi ASA Electronic Parts Catalogue (Oceania) for 2017 ASX GA-series, listing “Sensor, Manifold Absolute Pressure” (e.g., 1865A217).

Popular questions

Where is the MAP sensor on a 2017 Mitsubishi ASX?
It’s mounted on the intake manifold, typically near the throttle body, with a small 3‑wire connector. On diesel/boosted setups, a pressure sensor may also be found on or after the intercooler piping, but the primary MAP sits on the manifold itself.

Can you drive with a faulty MAP sensor?
The car may run, but it can default to backup values, hurting performance and economy. Prolonged driving isn’t wise—rich mixtures can stress the catalytic converter (and DPF on diesel). Best to diagnose and fix promptly.

Does the 2017 ASX have both MAF and MAP sensors?
Yes, petrol models commonly use a MAF in the intake duct and a MAP on the manifold. The ECU cross-checks both for accurate load, altitude, and transient control. Diesel variants rely heavily on the MAP for boost management and emissions.