Vehicles using 159B engine list:

Engine 159B in the Citroen BX Sport (1985–1987) is known for occasional issues with the fuel injection system and ignition components. Common problems include rough idling and hesitation due to clogged injectors or worn spark plugs. Diagnosis involves checking fuel pressure and inspecting spark plugs for wear or fouling. Preventive maintenance includes regular fuel filter changes and using quality fuel to avoid injector clogging. Solutions often require cleaning or replacing injectors and renewing ignition parts like plugs and leads. Additionally, ensure the timing belt is inspected and replaced as per schedule to prevent engine damage. Regular oil changes help maintain engine longevity.