AboutDon Berlan Expertise ASE Master Mechanic for 25 years. Can help with all aspects of BMW repair. I especially enjoy driveablity problems, mechanical or electrical.
Experience I have been an ASE Master Mechanic for 25 years.I have worked in many dealearships although BMW's are my favorite.I now have my own shop,specializing in BMW's.I have autocrossed and even gotten into mud running with my 4x4.(I am NOT a teacher and don't claim to know everything about the cars I never see.I hope to help you with your repairs and do expect some knowledge on your side.)
P0442 - Engine code. The gas cap was replaced several times. I've been reading on the internet that it could be a leak in the fuel expansion tank. Where would this be in the car? I also read that there could be a faulty purge solenoid or the vent solenoid. Where would these sensors be? Any advice would be greatly appreciated. What would you recommend to do?
Answer Your reading was correct it could be a leak there,purge solenoid or the vent solenoid.Searching for the answer by part elimination isn't where I go with the codes ones gets.Your best bet if you plan on keeping the car and continue to work on it you need a Bentley manual.It goes in to detail alot more than I could.Calling Bavarian Autosport 1-800-535-2002 they will help with your needs.
