Vehicles using M138P engine list:

Engine M138P in the Maserati GranSport Spyder (2005–2007) is known for occasional issues like ignition coil failures, oil leaks from valve cover gaskets, and cooling system problems. For diagnosis, regularly check for misfires, rough idling, or warning lights indicating ignition faults. Preventive maintenance includes timely replacement of spark plugs and ignition coils, and inspecting gaskets for leaks. Cooling system should be flushed and refilled per schedule to avoid overheating. Solutions involve replacing faulty coils, renewing gaskets to stop oil leaks, and repairing or replacing cooling components as needed. Regular servicing by specialists familiar with Maserati engines ensures longevity and reliability.