Hi I recently found that my 1400 uno pacer had erratic idling and can't seem to find the problem. Even if I press in the clutch after a long drive the ideling drops a lot and then picks up again. I cleaned out the carb swapped out the distributor cap and rotor and replaced all the diaframs in the carb even changed the spark plugs and fuel filter. And none of this seem to have solved the problem. Does someone have an idee of what it might be thats causes this problem.