CEL P0401 appears. Car has some misfire, most noticeably at 2000 RPM mostly coasting and then very slight acceleration. Replaced the EGR and that is not the problem. Some say the DPFE is the problem. I have the shop manual which shows me a place under the EGR valve. I have no such item on my car. Also saw a discussion on another forum for the 2002 model which has pictures that look just like my shop manual. However, again, cannot find that on my engine.
There is a EGR vacuum regulator on the engine just where the manual says it should be.
Any suggestions? Thanks much.