Over 120K Miles now and I had a return of the P21DD. No big since I have the OBDII module and can just reset the CEL everytime it pops and prevent the limp mode. Dealer quoted me $500+ and I laughed. I checked the parts department and they want $235 just for the reservoir...and I laughed.
Part Number Part Name Price Quantity Total 84412930 Reservoir Assembly $154.58 1 $154.58
Subtotal: $154.58 Estimated Expedited Shipping: $17.40 Discount: -$7.73 Total: $164.25 2 Day FEDEX and I fix it by Thursday.
This is no big deal!