The M-4x series motors shared a valve that can cause this issue, the part number is 11157501567 and if you go to Realoem. Com and put in the number, you can see where it goes and what it looks like. It is secured with 2 5mm Allen bolts. Also inspect the vapor hoses going to the valve, if they are mushy, replace them too.
Sunday, January 9th, 2011 AT 4:39 AM