There is no schrader valve in this vehicle. How do I check the fuel pressure? I am trying to diagnose a intermittent stall. Id like to see if my fuel pressure is dropping when the van stalls by bypassing the fuel pump relay and jumping 14 colts directly to the fuel pump. I know there is a special kit from the dealership for checking fuel pressure, but is there any other option? Has anyone made anything that will allow you to check fuel pressure with a gauge? Please help, I've been chasing this problem for too long now. Thanks