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Home >> Mazda >> 2021 >> 3 Premium, 4D Hatchback, FWD, Automatic Trans >> Labor Times >> Other Variant >> Engine Mechanical >> Auxiliary Emission Control Systems >> Engine Knock Sensor >> Remove & Replace

Engine Knock Sensor: Remove & Replace

WARNING: This page is about the 3 Base, which is a different variant/trim than selected.

ELECTRONIC SPARK TIMING

Applies ToNoteStandard HoursWarranty HoursSkill Level
Normally Aspirated, w/EGR CoolerIncludes: R&I Intake Manifold.3.5B
Normally Aspirated, w/o EGR CoolerIncludes: R&I Intake Manifold.1.8B