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Service bulletin MAS003156

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10217986
Published by NHTSA2022-08-22
Manufacturer's numberMAS003156
Manufacturer's date2022-07-28
NHTSA componentUNKNOWN OR OTHER; ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS

NHTSA's summary

Diagnostic Sheet - to provide the dealer network with the guidance on how to diagnose in case of engine misfire or irregularities.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Ignition, Spark plugs

Vehicles listed
MASERATI MC202022

Listing a model year does not mean every vehicle of it is concerned: the document says which.