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MD305600 MAP / MDP Sensor: 2026 OEM Compliance Guide for Mitsubishi EVO 7/8, 2G DSM Eclipse & Talon | Koeep Technical Authority
Your check-engine light points at the manifold pressure sensor. The catalog calls it MAP, MDP, or MD305600 — all the same part. Order the MD305600 MAP/MDP sensor for the Lancer Evolution 7/8 and 2G DSM Eclipse and Talon (OE number E1T19172, three-wire connector, mini-blade terminals).
MDP is not MAP: the names decide the job
The hardware is identical. The jobs differ, and so do the symptoms.
- MDP (Manifold Differential Pressure). The turbo-car factory name. It reads manifold pressure so the ECU can confirm EGR — exhaust gas recirculation — really flows when commanded.
- MAP (Manifold Absolute Pressure). The same sensor as the engine's main load input: how much air it breathes, which sizes the fuel.
On the turbo 4G63T the ECU meters fuel with a mass airflow sensor ahead of the turbo. A bad manifold sensor there means a light and a failed emissions test, not a running change. On the 420A cars it is the fuel math.
Two fueling strategies, one part number
This split is why owner reports contradict each other. Both are right.
- Turbo cars (Evo VII/VIII, Eclipse GST/GSX, Talon TSi Turbo). Airflow-metered. A failure shows up as a code, a failed readiness monitor, sometimes P0401 — never a stumble.
- 420A cars (Eclipse RS/GS, Talon ESi). Speed density: the ECU computes air from pressure and temperature. A failure stumbles the engine — hard starts, poor throttle response, uneven idle.
The electronics and sensors collection groups the sensors and wiring behind that choice. The airflow-sensor side is covered in the 3-bar MAP sensor guide for the GM LS9, LSA, and LS3 turbo boost upgrade.
One sensor, eleven catalog numbers
| Number | What it is | Notes |
|---|---|---|
| MD305600 | Mitsubishi OEM service number | Factory number for the 2001-2004 Lancer Evolution VII/VIII and 1995-1999 2G DSM turbo cars; also crossed across wide 1991-2004 Mitsubishi applications (3000GT, Galant, Montero Sport, Diamante) |
| E1T19172 | Mitsubishi Electric manufacturer number | The OE maker's number stamped into the sensor family; the main listing ships against it |
| MR578946 / MB578946 | Earlier Mitsubishi references | Production-era numbers listed as interchangeable by supplier catalogs |
| E1T19171 | Companion Mitsubishi Electric reference | Cross-listed beside E1T19172 on the MD305600 and E1T19172 manifold absolute pressure sensor listing |
| AS42 / 5S2395 / MA0087 | Aftermarket catalog numbers | The numbers parts-store shelves lead with |
| SU4278 / SU6758 / PS10078 | Further aftermarket cross-references | Additional interchange numbers on the same sensor family |
| 3-wire connector | Electrical interface | Reference feed, ground, and signal output on mini-blade terminals — the circuit the P0107/P0108 checks run against |
Every number buys the same part: a three-wire manifold pressure sensor that bolts to the intake manifold. Match the number your lookup returns, then compare price and warranty.
Reading the codes this sensor raises
Three codes live on this circuit. Wiring first for P0107 and P0108; sensor first for P0106.
- P0106 — Range/Performance. The signal is sane electrically but wrong physically. Usual causes: a carbon-clogged port, a vacuum leak, or a drifted sensor.
- P0107 — Circuit Low Input. The signal is pinned toward ground. Check the harness and connector before buying anything.
- P0108 — Circuit High Input. The signal is stuck high, often an open ground or a reference feed touching the signal wire.
Turbo cars can add a fourth: P0401, insufficient EGR flow. A drifted reading stops the monitor from crediting a healthy EGR valve. The same code mapping is in the Super Duty MAP sensor DTC mapping and technical guide for the 2011-2019 F-250 through F-550.
Swapping the sensor in about twenty minutes
The sensor sits on the intake manifold under one fastener and one three-wire connector. No programming or relearn follows.
- Unplug the connector and remove the fastener.
- Lift the sensor out and inspect the port underneath it.
- Clean the port. EGR carbon makes a new sensor report the same lies, so this decides whether the repair holds.
- Transfer or renew the O-ring, seat the new sensor, torque the fastener, reconnect.
- Clear the codes, then drive so the readiness monitors re-run.
If the complaint is a hanging or unstable idle rather than a code, check the idle air control valve too. The idle air control valve for the Lancer Evolution 4, 5, and 6 (2.0L) meters off-idle air, and Mitsubishi idle-air patterns — including the Mirage MD614743 valve — are mapped in the 1997-2000 Mitsubishi Mirage idle air control valve technical guide.
Replacing a sensor is not the same job as logging boost
The stock unit is a low-range sensor sized for its checking duty. A wider sensor adds no power on a stock Evolution 8. The stock ECU never reads it, so the car just sets codes.
Real boost logging takes a wider-range sensor plus ROM changes:
- Rescale the MAP comparison table.
- Repoint the periphery address that selects the sensor's transfer function.
- Retune the EGR pressure scalar.
- Set the bit that disables the stock EGR monitor.
Draw the line cleanly. A stock or stock-managed car takes the same low-range function under any of the eleven numbers. A reflashed ROM or standalone ECU belongs to its calibrator.
Watch live data before you order. Do not trust the code alone.
- Key the ignition on with the engine off. The reading should sit at atmospheric.
- Start the engine. The reading should move smoothly with throttle.
- A flat line across idle and cruise convicts the sensor or its clogged port.
- Pinned at an extreme, or flickering when you wiggle the connector → the three-wire circuit. Verify the reference feed, ground, and terminals.
That check prevents the most common repeat failure here — a good sensor over a blocked port.
Frequently asked questions
Which vehicles does the MD305600 sensor fit?
The 2001-2004 Mitsubishi Lancer Evolution VII and VIII and the 1995-1999 2G DSM turbo cars — Eclipse GST, GSX, and Eagle Talon TSi Turbo. Catalogs also cross it across a wider 1991-2004 Mitsubishi range.
Is the MDP sensor the same thing as a MAP sensor?
Same hardware, different factory labels. MDP is the turbo-car name for the EGR-checking duty; MAP describes the same sensor working as the engine's main load input on the 420A cars.
Will upgrading to a bigger MAP sensor add power on my stock Evolution 8?
No. The stock ECU fuels with the mass airflow sensor, so a wide-range unit just sets codes until the ROM is retuned.
What are the symptoms of a failing MD305600 sensor?
On the turbo cars: a check-engine light (P0106, sometimes P0401) and a failed readiness monitor. On the 420A cars the sensor is the load input, so expect stumbling, hard starting, and poor throttle response.
I have P0107 or P0108 — do I need a new sensor?
Not yet. Both codes are electrical and point at the harness or connector first — verify the reference feed, the ground, and the three mini-blade terminals before buying.
Where is the sensor located and how long does replacement take?
On the intake manifold, under one fastener and one three-wire connector. About twenty minutes — clean the port, no relearn, then a normal drive cycle.
Can I use this sensor for a speed-density conversion on my turbo DSM?
A conversion needs a manifold pressure sensor, an intake air temperature input, and a tuned fuel table. The stock-range unit serves stock repairs; range selection belongs to the calibrator.
Match the right number, restore a reading the ECU can trust
The MD305600 MAP/MDP sensor for the 2001-2004 Lancer Evolution VII/VIII and the 1995-1999 2G DSM is in stock with the full eleven-number interchange family, alongside the idle air control valve for the Evo 4-6 intake. Not sure which number your car calls for? Send us a request for a quote or email support@koeep.com — or WhatsApp +86 181 3883 8291.
- Mitsubishi parts catalogs — OEM number MD305600, earlier references MR578946 and MB578946, Mitsubishi Electric numbers E1T19171/E1T19172
- Supplier cross-reference catalogs — aftermarket interchange numbers AS42, 5S2395, MA0087, SU4278, SU6758, PS10078
- OEM replacement-sensor documentation — fitment 2001-2004 Lancer Evolution VII/VIII and 1995-1999 2G DSM (Eclipse GST/GSX, Talon TSi Turbo)
- DSMTuners technical threads — MDP as the EGR-verification input on MAF-fueled 4G63T engines
- ECMTuning wiki on DSM and Evo airflow options — factory MAF metering ahead of the turbo; speed-density parts set (pressure sensor, air temperature sensor, fuel model)
- SAE J2012-based code references (AutoZone, RepairPal, Foxwell) — P0106 Range/Performance, P0107 Circuit Low Input, P0108 Circuit High Input
- EvolutionM EcuFlash threads — wide-range MAP logging requiring ROM edits to MAP comparison scaling, periphery selection, EGR pressure scalar, and the EGR monitor bit
- Engine-management documentation (MSExtra, Haltech) — Karman-vortex airflow meters with frequency output