One problem related to gas recirculation valve (egr valve) has been reported for the 2004 Honda Accord. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Honda Accord based on all problems reported for the 2004 Accord.
The contact owns a 2004 Honda Accord. While driving 40 mph, the vehicle shook. When the contact took her foot off the accelerator pedal, the shaking stopped. The failure occurred over fifty times. The vehicle was taken to an authorized dealer several times where the spark plugs and egr valve were replaced and the software was updated. The failure continued and could not be duplicated. The failure mileage was approximately 86,000 and the current mileage was approximately 88,000.