Sensor operating range information can help determine if a sensor is out of calibration. An out-of-calibration sensor may not set a trouble code, but it will cause driveability problems.

EGR TEMPERATURE (EGRT) SENSOR RESISTANCE

Coolant Temperature °F (°C)	M/ohms
68-120 (20-49)	2.25-2.55
130-148 (55-65)	1.75-2.25
150-165 (66-74)	1.40-1.75
168-190 (76-88)	1.00-1.40

ENGINE COOLANT TEMPERATURE SENSOR

Temperature °F (°C)	Output Voltage	Ohms
68 (20)	3.5	2500
122 (50)	2.2	800
194 (90)	0.9	200

INTAKE AIR TEMPERATURE SENSOR

Temperature °F (°C)	Output Voltage	Ohms
68 (20)	3.5	2500
122 (50)	2.2	800
194 (90)	0.9	200

MASS AIRFLOW SENSOR

Engine RPM

⁽¹⁾ Volts

800

1.2-1.4

1500

1.5-1.7

2000

1.7-1.9

2500

1.9-2.1

3000

2.1-2.3

⁽¹⁾	Measure voltage between White/Blue and Blue/Orange terminals.

PULSE SIGNAL GENERATOR SENSOR

Vehicle Speed (MPH)

⁽¹⁾ Volts (AC)

0.59

0.76

0.97

1.13

1.28

⁽¹⁾	Specification is approximate.

TRANSMISSION FLUID TEMPERATURE SENSOR RESISTANCE

Coolant Temperature °F (°C)

⁽¹⁾ Ohms

68 (20)

2200

⁽¹⁾	Specification is approximate.

THROTTLE POSITION SENSOR

Throttle Position

⁽¹⁾ Volts

Closed

1/4

1.3

Half Open

2.2

3/4

3.1

Fully Open

4.1

⁽¹⁾	Values may vary by 15 percent. For testing, see TEST DH in SELF DIAGNOSTICS - VILLAGER article.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Engine Controls - Sensor Operating Range Charts: Introduction

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?