Question 1

What is the torque spec for o2 sensor - upstream on a 1990-1994 Dodge Shadow?

Accepted Answer

The primary torque specification for o2 sensor - upstream on a 1990-1994 Dodge Shadow is 45 Nm (33 lb-ft). Note: Apply anti-seize

Question 2

How many torque specs are there for Dodge Shadow o2 sensor - upstream?

Accepted Answer

There are 7 torque specifications for o2 sensor - upstream on the 1990-1994 Dodge Shadow 2.5L I4, covering all related fasteners and components.

Component	Nm	lb-ft	Notes
⚠️ Exhaust Flange Bolts	45	33	Apply anti-seize
⚠️ Flange Bolts	47	35	Apply anti-seize
Hanger Bolts	20	15	—
Heat Shield Bolts	10	7	—
⚠️ Manifold Nuts	34	25	Apply anti-seize
Mounting Bolts	27	20	—
⚠️ O2 Sensor	45	33	Apply anti-seize to threads only

O2 Sensor - Upstream Torque Specifications

Torque Values (7 specifications)