Parts for your 2011 Honda Cr-v-Map sensor

2011 Honda CR‑V MAP sensor: what it does and how to look after it

Technical references confirm the 2011 Honda CR‑V (RE series, K24 petrol) is fitted with a Manifold Absolute Pressure (MAP) sensor. The Honda CR‑V 2007–2011 Service Manual (PGM‑FI section) details MAP sensor operation, testing and wiring for this model, Honda’s parts catalogues list a dedicated MAP sensor (commonly referenced as 37830‑RNA‑A01) mounted on the intake manifold, and Honda’s OBD‑II DTC list for this vehicle includes MAP‑related faults P0106, P0107 and P0108. On that basis, the MAP sensor is relevant and used on the 2011 CR‑V.

The MAP sensor on a 2011 Honda CR‑V measures the pressure inside the intake manifold, letting the ECU know how much air the engine’s actually drawing. Paired with engine speed and air temperature, it helps the PGM‑FI system nail fuelling and ignition timing, keeping economy tidy and throttle response smooth. It’s also key for emissions and for diagnosing intake leaks. When the sensor drifts, owners may see a check engine light, rough idle, flat spots on take‑off, higher fuel use, or codes like P0106–P0108.

There’s no set replacement interval in Honda’s schedule, so it’s a condition‑based item. As part of regular servicing, it’s smart to give it a quick look under the bonnet: it sits on the intake manifold near the throttle body, held by small screws and sealed with an O‑ring. If the connector is loose, green with corrosion, or the harness is chafed, that’s a red flag. Light dust is normal, oily sludge or carbon inside the sensor port can skew readings.

Maintenance is straightforward: with the ignition off, unplug the connector, remove the fasteners, and lift the sensor straight out. If only lightly dirty, a careful spritz with electronics‑safe cleaner on the port (never poke the diaphragm, and avoid harsh throttle‑body solvents) can help. Replace a flattened or nicked O‑ring to prevent vacuum leaks. Refit, nip the screws to factory spec, and clear any codes. The ECU will relearn trims over a few short drives.

When replacing, go for a quality OE‑equivalent unit and ensure the connector clicks home. If drivability issues persist after replacement, a smoke test for vacuum leaks and a quick check of the MAF/IAT and throttle body condition is worthwhile, as these can mimic MAP faults on the K24. Most workshops will sort a MAP sensor in under an hour, so it’s an easy win during routine servicing.

• Common symptoms: check engine light, rough idle, poor economy, hesitation.
• Typical causes: sensor ageing, oil contamination, vacuum leaks, wiring faults.
• Service tip: always inspect the O‑ring and connector when it’s out.

FAQs

Where is the MAP sensor on a 2011 Honda CR‑V?
It’s mounted on the intake manifold, close to the throttle body. Looking in from the front of the vehicle, they’ll usually spot a small rectangular sensor with a single electrical plug and one or two screws holding it down.

What are the signs of a failing MAP sensor on this model?
Owners often report a check engine light with codes P0106–P0108, a lumpy idle, hesitation on acceleration, and higher fuel use. Because vacuum leaks and wiring issues can imitate a bad sensor, it pays to check hoses and the connector first.

Can the MAP sensor be cleaned or does it need replacing?
If it’s only lightly contaminated, a careful clean with electronics‑safe cleaner can restore accuracy. If the sensor shows internal damage, persistent codes return, or cleaning doesn’t help, replacement with an OE‑quality part is the go. Always renew a damaged O‑ring to avoid vacuum leaks.