Sensor Operating Range Charts: Notes

NOTE: Unless stated otherwise in test procedure, perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance. For connector and terminal identification, see WIRING DIAGRAMS article in the ENGINE PERFORMANCE Secton.

AIRFLOW METER HERTZ TEST ⁽¹⁾

Condition

SOHC

750 RPM

18-44

2000 RPM

64-104

DOHC

800 RPM

28-54

2000 RPM

45-85

⁽¹⁾	Measure hertz frequency with Multi-Use Tester (MUT-II).

COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C)	Ohms
32 (0)	5100-6500
68 (20)	2100-2700
104 (40)	900-1300
176 (80)	260-360

EGR TEMPERATURE SENSOR RESISTANCE TEST ⁽¹⁾⁽²⁾

Temperature °F (°C)

Ohms

122 (50)

60-83

212 (100)

11-14

⁽¹⁾	Measure resistance across disconnected sensor terminals.

⁽²⁾	Specifications apply to all models.

INTAKE AIR TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C)	Ohms
32 (0)	5300-6700
68 (20)	2300-3000
176 (80)	300-420

OXYGEN SENSOR VOLTAGE TEST ⁽¹⁾

Application

Volts

Lean

0.1

Rich

1.0

⁽¹⁾	Test at normal operating temperature.