Parts for your 2011 Nissan Dualis-Map sensor

2011 Nissan Dualis MAP sensor — what’s fitted and what to do about it

On the 2011 Nissan Dualis (J10), whether there’s a MAP sensor on board depends on the engine. According to Nissan’s Electronic Service Manual for the J10 series (EC and EM sections) and the Nissan FAST parts catalogue, the 2.0‑litre MR20DE petrol uses a Mass Air Flow (MAF) sensor as the primary load input and isn’t fitted with a manifold absolute pressure (MAP) sensor. By contrast, the turbo‑diesel variants (commonly the K9K 1.5 dCi in NZ/EU markets and M9R 2.0 dCi where applicable) do use a MAP/boost pressure sensor mounted in the intake tract. Diesel control systems documented in Bosch EDC literature and Nissan diesel engine service manuals list this sensor as critical for boost and EGR control.

Why no MAP sensor on the MR20DE petrol? Nissan’s MR20DE strategy uses the MAF sensor for airflow measurement, with throttle angle, engine speed, intake air temp and oxygen sensor feedback to nail fuelling and ignition. With no turbocharger and a fairly straightforward intake manifold, a MAP sensor isn’t strictly required for load calculation or boost monitoring. It reduces parts count and potential failure points, while still meeting emissions and drivability targets under OBD monitoring defined in the EC section of the ESM.

If the vehicle is a turbo‑diesel Dualis, it does have a MAP sensor and it earns its keep every drive. The MAP (often called a boost pressure sensor on these cars) tells the ECU exactly what pressure is in the intake manifold so it can control turbo boost, manage EGR flow, and keep fuelling on the money. When it starts reading off, owners may notice lazy throttle response, higher fuel use, sootier exhaust, and a check engine light. Common fault codes include P0105–P0108 and under‑/over‑boost codes.

• Typical location: bolted into the intake manifold or charge pipe near the intercooler, secured with a single bolt and an O‑ring.
• Basic care: during servicing, a quick visual once‑over for oil mist buildup and cracked vacuum/charge hoses goes a long way. If there’s oily grime on the sensor tip, remove it and clean gently with electronics or MAF cleaner. Don’t poke the element.
• Replacement tips: disconnect the battery, unplug the connector, remove the retaining bolt, and ease the sensor out without twisting the O‑ring. Lightly oil a new O‑ring and seat the new sensor squarely. Clear fault codes and road‑test to confirm boost tracks properly.
• Service interval: there isn’t a fixed replacement schedule, but on high‑kilometre diesels it’s smart to inspect/clean every 20–30,000 km, especially if most driving is short runs or there’s noticeable soot build‑up.

Owners in Australia and New Zealand will typically find the petrol Dualis doesn’t have a MAP sensor, while diesel examples do. If in doubt, lift the bonnet and check the intake manifold for a small two‑wire or three‑wire sensor with a single bolt and O‑ring—diesels will have it.

Popular questions

Does my 2011 Nissan Dualis have a MAP sensor?
Most 2.0‑litre petrol (MR20DE) Dualis models don’t have a MAP sensor, they use a MAF sensor instead. Diesel versions do have a MAP/boost pressure sensor in the intake. A quick visual on the manifold or charge pipe will confirm it.

Where is the MAP sensor on a 2011 Dualis diesel?
It’s normally mounted in the intake manifold or the intercooler pipework, held by a single bolt with an O‑ring seal. Look for a small plastic sensor with a two‑ or three‑pin plug near the EGR/turbo plumbing.

What are the signs a Dualis MAP sensor needs attention?
Sluggish acceleration, more smoke on a diesel, rough running, poor fuel economy, and a check engine light with codes like P0105–P0108 or boost performance faults often point to a dirty or failing MAP sensor.