It had a metal dpfe and I got a "kit" from the dealer part# 4W1Z-9J460-AA, the kit has part# 3W1E-9J460-AA and a pigtail to fit the new plastic DPFE. It now reads KOEO .44 volts,KOER reads .50 volts. It has a code 335 KOEO and KOER code 326. I hope this helps?... Login to read more.