1995-1998 Mazda Protege O2 Sensor - Upstream Torque Specs

1.8L I4

Applies to 1995, 1996, 1997, and 1998 Mazda Protege

Labor Time:0.5 hours

🔧 Torque Values5 specifications

Component	lb-ft	Nm	Notes
⚠️ Flange Bolts	33	45	—
Hanger Bolts	14	19	—
Mounting Bolts	19	26	—
⚠️ O2 Sensor	33	45	Anti-seize threads
⚠️ O2 Sensor	33	45	—

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

1990-1997 4.6L V8 Modular

2007-2012 3.7L I5

2011-2016 6.7L V8 Power Stroke Diesel

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

1995-1999 2.0L Turbo I4

The primary torque specification for o2 sensor - upstream on a 1995-1998 Mazda Protege is 45 Nm (33 lb-ft).

There are 5 torque specifications for o2 sensor - upstream on the 1995-1998 Mazda Protege 1.8L I4, covering all related fasteners and components.