Parts for your 2008 Honda Elysion-Map sensor

2008 Honda Elysion MAP sensor — what it does, where it lives, and how to look after it

Technical sources confirm the 2008 Honda Elysion is fitted with a MAP (Manifold Absolute Pressure) sensor. The Honda Elysion service manual for RR-series models (engine control section) lists the MAP sensor as a primary engine load input, and the Honda Electronic Parts Catalogue includes a “Sensor, MAP” for both K24A four-cylinder and J-series V6 variants. Standard Honda OBD-II documentation for this platform also references MAP-related DTCs (P0106, P0107, P0108). On this vehicle, the sensor is mounted on the intake manifold and reports real-time manifold pressure to the ECU.

On the 2008 Elysion, the MAP sensor is the quiet achiever that helps the ECU sort fuelling, ignition timing, and idle quality, all while keeping emissions tidy. By measuring the absolute pressure in the intake manifold, it lets the engine computer calculate air mass without a separate MAF. That’s the core of Honda’s speed-density strategy used on the K24A and J-series V6 in this model range.

As part of routine servicing, the MAP sensor doesn’t have a scheduled replacement, but it deserves a look whenever the intake, PCV, or throttle body is being checked. A quick visual under the bonnet to ensure the connector is clean, pins aren’t green with corrosion, and the O-ring isn’t perished pays off. If oil mist or blow-by has left residue on the sensing port, a cautious clean with proper electronics cleaner (not aggressive solvents) can restore crisp readings.

Owners and workshops should also keep an eye on scan-tool data. With key on/engine off, MAP should read close to local barometric pressure (about 100 kPa at sea level, lower at altitude). At hot idle, many Elysions will show roughly 28–45 kPa, then climb toward baro at wide open throttle. Odd readings or a Check Engine lamp with P0106–P0108 don’t always mean the sensor is toast, vacuum leaks, blocked PCV paths, or wiring faults can skew the result. Rule those out first.

When replacement is needed, a quality OEM-equivalent sensor and a fresh O-ring are the go. Fit the unit squarely to the manifold, tighten to the workshop-spec torque, clip the connector home, and clear any fault codes. The ECU will typically relearn trims over a few drive cycles. As a practical service habit, checking MAP data and the connector every 20,000–40,000 kilometres helps keep the Elysion feeling smooth and economical.

• Common signs of trouble: rough idle, flat spots on acceleration, sootier exhaust, higher fuel use, and MAP fault codes.
• Good habits: inspect connector and O-ring, verify readings with a scan tool, and fix any vacuum leaks before calling the sensor faulty.

Technical references: Honda Elysion RR-series Service Manual (Engine Control/MFI), Honda Electronic Parts Catalogue (listing “Sensor, MAP” for K24A and J-series V6), Honda OBD-II DTC reference (P0106–P0108 for MAP).

Popular questions

Where is the MAP sensor on a 2008 Honda Elysion?
It’s mounted on the intake manifold. On K24A four-cylinder models (RR1/RR2), it sits near the throttle body on the upper manifold. On J-series V6 variants (often RR3–RR6), it’s typically on the plenum, toward the rear or top side, with a single electrical connector and an O-ring seal.

Does the 2008 Elysion use a MAF as well?
Most 2008 Elysions run a speed-density setup, so there’s a MAP sensor but no separate hot-wire MAF. If in doubt, a quick look at the airbox will show there’s no MAF housing on the outlet tube on these models.

What MAP readings are normal on this model?
Key on/engine off will be close to ambient barometric pressure (about 100 kPa at sea level). At hot idle, many healthy engines show roughly 28–45 kPa, depending on altitude and engine condition. Under load or wide open throttle, pressure rises toward barometric.