STUCK OPEN EGR VALVE/P0400
Applicable Models
| Model |
Starting S/N |
Ending S/N |
| 1997 PROTEGE |
V0100001 |
W0199999 |
| 1998 PROTEGE |
V0100001 |
W0199999 |
| 1998 626 |
W5000001 |
W5999999 |
| 1999 MIATA |
X0100001 |
X0199999 |
0002810 Dealer Repair Information
Symptoms and Conditions
After engine warms up, EGR valve may stick in the open position causing
a rough idle or engine stall after deceleration. Condition is most
pronounced after Freeway driving and then coming to a stop.
Repair Procedure
Confirm that symptoms are related to the stuck EGR valve and replace
with new part. There are currently no countermeasure parts available.
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