Vehicles using M156B engine list:

Engine M156B in Maserati Ghibli S and Quattroporte S models is known for occasional issues like timing chain wear, oil leaks, and coil pack failures. Diagnosis involves listening for rattling noises indicating timing chain tensioner problems and checking for oil seepage around valve covers. Preventive maintenance includes regular oil changes with high-quality synthetic oil and timely replacement of spark plugs and ignition coils to avoid misfires. Solutions for timing chain wear often require professional replacement of the chain and tensioners. Address oil leaks by replacing gaskets and seals promptly. Keeping the cooling system in good condition helps prevent overheating-related damage.