evap system low purge flow mercedes-benz gl450
#1
evap system low purge flow mercedes-benz gl450
Ive been losing it with this p0497 code i have changed purge selinod ive redone coils im at wits end and i have less than a week to get a emissions testing i cleared code once drove over 200 miles stayed off a week then came back i even changed gas cap any ideas on possible issue.
any help greatly appreciated
any help greatly appreciated