# P0402 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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0402

- [606476](https://open.wenmarpro.com/bulletins/606476), 1999-08-25: 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