Is there any good mechanic in peshawar or rawalpindi/ islamabad who is specialist for cultus carboretor..i have affixed the play in butterfly of carborator by sufi khairadi in pesh sadar and misal khan ustad in pesh sadar has done the service of carboretor but now the problem is some times car starts dropping RPM in petrol and also takes long ignition for starting..misal khan who is specialist for carboretors can't understand what fault it can be kindly let me know if some1 knows a specialist for carboretors or somebody faced this issue has any solution