There was a recall issued on 98-00 Honda Accords related to the EGR Issues. Please call your dealer and verify that the recall has been performed on your car.
Recall – DTC P0401 EGR Flow/EGR Port Clogging
Number: 99-085
Date: October 26, 2001
Applies To:
1998 to 2000 Accord V-6: All
2001 Accord V-6
4-door from VIN 1HGCG1…1A000001 thru 1HGCG1…1A058564
2-door from VIN 1HGCG2…1A000001 thru 1HGCG2…1A023388
MIL Is On With DTC P0401
SYMPTOM:
The MIL is on and DTC P0401 (Insufficient EGR Flow) is set.
PROBABLE CAUSE:
The EGR port in the intake manifold is clogged.
CORRECTIVE ACTION:
Clean the EGR port. Replace the intake manifold chamber and the PCV hose.
WARRANTY EXTENSION INFORMATION:
This warranty extension cancels the PCV hose routing Product Update Campaign. You should no longer install the PCV hose routing kit.
American Honda is extending the warranty on EGR system problems in the affected vehicles to 8 years or 80,000 miles, whichever comes first. To be eligible for coverage under this extended warranty, the MIL must be on with one of the above DTCs stored. Install the EGR pipe kit, and file a claim using the information in this service bulletin.