Question 1

What is the torque spec for o2 sensor - downstream on a 2011-2014 Mazda Mazda2?

Accepted Answer

The primary torque specification for o2 sensor - downstream on a 2011-2014 Mazda Mazda2 is 45 Nm (33 lb-ft). Note: Apply anti-seize

Question 2

How many torque specs are there for Mazda Mazda2 o2 sensor - downstream?

Accepted Answer

There are 6 torque specifications for o2 sensor - downstream on the 2011-2014 Mazda Mazda2 1.5L I4, covering all related fasteners and components.

Component	Nm	lb-ft	Notes
⚠️ Flange Bolts	45	33	Apply anti-seize
Hanger Bolts	19	14	—
Heat Shield Bolts	14	10	—
⚠️ Manifold Nuts	33	24	Apply anti-seize
Mounting Bolts	26	19	—
⚠️ O2 Sensor	45	33	Apply anti-seize to threads

O2 Sensor - Downstream Torque Specifications

Torque Values (6 specifications)