I have xc70 2005. Will the HID bulb too long and hit the bulb shield? Do we need to cut it off?

I have a xc70, 2005 with 130,000 miles. My check engine light was on and gave me P0443 error. I have clanged the gas cap and J hose, but it does not fix the problem. The check engine light is on again with different code after a week. I got a new code "P2405 -- ECM-436D -- Leak diagnostic unit ...