What does code P1400 mean on Mitsubishi vehicles?
The ECU detects a malfunction in the manifold differential pressure (MDP) sensor circuit used for EGR flow monitoring.
OBD-II Code Mitsubishi
P1400 — Mitsubishi — Manifold Differential Pressure Sensor Circuit
The ECU detects a malfunction in the manifold differential pressure (MDP) sensor circuit used for EGR flow monitoring.
Common symptoms
- Check engine light
- emission control issues
Possible causes
- Faulty EGR differential pressure sensor
- wiring issue
Initial recommendation
Test manifold differential pressure sensor and inspect wiring.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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