2001 saab 9-5 (v-6) just started cycling real rich, i am getting around 10 mpg.?
I just got the car back from the dealership to correct this problem. the dealrship installed a new throttlebody and said it was fixed. i later drove the car approx. 75 miles an the check engine light came-on. it then started emitting black smoke and smelled really rich. now getting about 10 mpg. vaccum problem, electrical, turbo??thanks m.s.