car starts accelerates for 30 minutes,acceleration stops while engine is running on 1995 Mercedes-Benz C280

car parked for 6 months after computer failed.Replaced one then black smoke developed then replaced airmass sensor,sparkplugs,battery, then developed a rough idling sound. AFTER driving for 30 minutes engine stops then after cooling starts again.Replaced Fuel pump makes hissing sound.what is the cause

by in Garnet Valley, PA on April 28, 2013
0 answers