Parts for your 2006 Honda Accord-Map sensor

2006 Honda Accord MAP sensor — what it is, where it lives, and how to look after it

Technical references confirm the 2006 Honda Accord does use a Manifold Absolute Pressure (MAP) sensor across the common petrol engines (2.4L K24 and 3.0L J30). Sources include: the Honda Accord 2003–2007 Service Manual (Helm) Fuel & Emissions sections and DTC charts for P0106–P0108, Honda Electronic Service Manual location views showing the MAP on the intake manifold, and Honda parts catalogues listing a MAP sensor for 2006 Accord (e.g., Honda P/N 37830‑RTA‑003, variants by engine).

On the 2006 Accord, the MAP sensor is a key player in the engine’s speed‑density system. It reads absolute pressure in the intake manifold, letting the ECU work out engine load so it can meter fuel, set ignition timing, run EGR correctly, and keep emissions tidy. At key-on with the engine off, it’ll read close to local barometric pressure, at idle it drops, and under a heavy right foot it climbs. That accurate pressure snapshot helps the Accord feel smooth, responsive, and reasonably frugal with the petrol.

As part of regular servicing, the MAP doesn’t need routine replacement, but it’s worth a quick check whenever the air intake or throttle body is off. On the 2.4L it’s mounted on or near the intake manifold close to the throttle body, on the 3.0L V6 it sits on the upper manifold. Make sure its vacuum port isn’t coked up and the O‑ring is healthy. If there’s oil mist build-up, a gentle clean of the port with electronics-safe cleaner can help—avoid soaking the sensor. Refit the unit squarely and tighten the fasteners only to the spec in the service manual (snug, not gorilla tight) to protect the plastic housing and manifold threads.

Clues that the MAP is unhappy include a fluttery idle, flat spots on tip-in, poor fuel economy, and the MIL glowing with codes like P0106, P0107, or P0108. Before condemning the sensor, rule out split vacuum hoses, intake leaks, or gunk in the port. A quick scan-tool check is gold: at sea level KOEO you’ll typically see around 100 kPa, at warm idle something in the 28–45 kPa ballpark is common, varying with altitude and engine condition. If replacement’s needed, stick with quality OEM‑equivalent parts and clear the learned trims after the job so the ECU can settle in quickly. Done right, it’s an easy under‑bonnet win that keeps the Accord running sweet and sipping litres sensibly.

• Inspect MAP port and O‑ring during intake/throttle services.
• Check hoses for cracks or loose clamps before replacing sensors.
• Use a scan tool to verify readings at KOEO and warm idle.

FAQs

Where is the MAP sensor on a 2006 Honda Accord?
On the 2.4L four-cylinder it’s mounted on or just after the throttle body on the intake manifold. On the 3.0L V6 it’s on the top of the upper intake manifold. It’s a small rectangular sensor with a single vacuum port and a multi‑pin connector.

What are common symptoms of a failing MAP sensor?
Expect a rough or hunting idle, hesitation on take‑off, higher fuel use, and a check engine light. Typical fault codes are P0106 (range/performance), P0107 (low input), and P0108 (high input). Always check for vacuum leaks or a blocked sensor port before replacing the sensor.

Does the 2006 Accord have both a MAF and a MAP sensor?
No. The 2006 Accord uses a MAP‑based speed‑density strategy rather than a traditional hot‑wire MAF. It may have an intake air temp sensor, but airflow is inferred from the MAP signal, RPM, and other inputs.