86 mitz pickup. Rough idle. Rebuilt carb three times by three different machanics with no improvement. Is it being mis-diagnosed? Can there be a internal vacuum leak? Has new motor. Truck runs exellent on exceleration and high speed and power. But idle is rough with a surge. When you put your hand over the carburator the engine speeds up and smooths out.
Thursday, August 18th, 2011 AT 4:54 AM