P1400 on the 1997 Mercury Villager
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 99103 | 1999-08-25. Service bulletin. ON SOME VEHICLES THE CHECK ENGINE WARNING LAMP MAY ILLUMINATE AND DIAGNOSTIC TROUBLE CODES 32, 35, P0400, P0402, P1400, P1401, P1402 OR MALFUNCTION INDICATOR LAMP 0302, 0305, 0306, 0514, 1005 MAY BE STORED INDICATING A MALFUNCTION IN THE EXHAUST GAS RECIRCULATION (EGR) SYSTEM. *TT |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.