P0400 Diagnostic Trouble Code Discussion for April 2004
Exhaust Gas Recirculation System Flow Malfunction
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| Help Request | Posted | |
| 1999 Mitsubishi Montero Sport LS 3.0L MIL Lamp on, PO400A VIN: JA4LS31H3X P0400: Exhaust Gas Recirculation System Flow Malfunction. EGR solenoid is getting vacuum but not letting it go through at throttle snap. plenty of vacuum at differential pressure switch .my scanner will not show manifold differential pressure reading which should be 20.6 to34.0 kpa.PCM wiring is good. |
April 29, 2004 |
