Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 61 (ENGINE CONTROLS - SENSOR OPERATING RANGE CHARTS)INTRODUCTION

2004 Ford Econoline E150, Van Cargo, 4.6 W

Section 61 (Engine Controls - Sensor Operating Range Charts): Introduction

2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Introduction

WARNING: This page is about a different car, the 2002 Mercury Villager. However, it is still accessible from the selected car via links, so may be relevant.

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.

ENGINE COOLANT TEMPERATURE SENSOR & INTAKE AIR TEMPERATURE SENSOR

Temperature - °F (°C)	Output Voltage	Ohms
14 (-10)	4.4	9200
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.

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 additional testing, see TEST DH: THROTTLE POSITION SENSOR under SYSTEM TESTS in SELF DIAGNOSTICS - VILLAGER article.

RENDER: 1.0x

NO RELATED

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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.