Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
3Original wording in English
FORD, MERCURY
SOME VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ON WITH EGR SYSTEM RELATED DIAGNOSTIC TROUBLE CODES P0400, P0401, P0402, P1400, P1401, P1405, P1406, P1408, P1409. *TT
FORD, MERCURY
SOME VEHICLES EQUIPPED WITH A 3.0L 2-VALVE ENGINE MAY EXHIBIT A MALFUNCTION INDICATOR LAMP ON WITH A DIAGNOSTIC TROUBLE CODE P0401 AND / OR P1408 STORED IN MEMORY. THIS MAY BE CAUSED BY INSUFFICIENT EXHAUST GAS RECIRCULATION FLOW. *TT
FORD, MERCURY
VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ON WITH A DIAGNOSTIC TROUBLE CODE (DTC) P0401 AND/OR P1408 STORED IN MEMORY. THIS MAY BE CAUSED BY A LOSS OF VACUUM TO THE EXHAUST GAS RECIRCULATION SYSTEM BECAUSE THE RUBBER VACUUM ELBOW (LOCATED ON THE BACK SIDE OF THE INTAKE MANIFOLD) HAS BEEN SEATED AGAINST THE VACUUM P…
Check vehicle applicability
4A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | EXPLORER ↗ | 2002 |
| Ford | TAURUS ↗ | 2000 |
| Mercury | MOUNTAINEER ↗ | 2002 |
| Mercury | SABLE ↗ | 2000 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
EGR Flow Out Of Self Test Range
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.