2017 PORSCHE 911 MA1/20E (Carrera, Carrera S, Carrera 4, Carrera 4S)/MA1/22E (Carrera GTS) (991.2)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Intermediate shaft bearing wear mainly on early 991.1, less on 991.2
• Coolant leakage in some Turbo models
• Porsche PCM firmware updates needed for navigation stability

First checks

• Regular oil and filter changes with Porsche-approved synthetic oil
• Check for turbocharger boost leaks or wastegate function
• Inspect cooling system hoses and radiator for leaks

Antes de cambiar piezas

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• This profile covers the 2017 model year which globally saw the continuing 991.2 generation with minor updates to electronics and emissions.
• Market differences primarily affect emissions tuning and available trims/options, but core engine and drivetrain specs remain consistent.