Got a 00 psd, bought used in 05. I live in colorado and winters get cold. Since I bought the truck the ebpv has never actuated. Is stuck for whatever reason in the open position. Had a guy a shop a few years ago do a contribution test on my injectors and he also tried to actuate the ebpv by computer. Nothing happened, but he didn't know enough how to troubleshoot it. Anyone have suggestions? I have checked the plug but have not checked the tube yet.