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Sensor Range Charts

AIR TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C)	Ohms
4 (20)	15,000
32 (0)	5800
68 (20)	2500
176 (80)	330
212 (100)	160

FUEL INJECTOR BALLAST RESISTOR RESISTANCE ⁽¹⁾

Application

Ohms

All Models

5.5-6.5

⁽¹⁾	Unit contains four resistors; one per injector. Check resistance between center terminal and 4 other terminals.

COOLANT TEMPERATURE SENSOR RESISTANCE

Temperature °F (°C)	Ohms
14 (10)	8260-10,560
68 (20)	2280-2720
176 (80)	290-364

AIR CONTROL VALVE (IDLE VALVE) RESISTANCE

Engine Model	Ohms
B230F, B230FT & B234F	8
B230F Regina System	4

MASS AIR FLOW SENSOR RESISTANCE

Engine Model

Ohms

B230F & B230FT

Terminals 2 & 3 ⁽¹⁾

2.5-4.0

B234F

Terminals 2 & 3 ⁽¹⁾

2.5-4.0

Terminals 2 & 6 ⁽¹⁾

0-1000

⁽¹⁾	Resistance is measured between these terminals.

OXYGEN SENSOR HEATER RESISTANCE

Temperature °F (°C)	Ohms
68 (20)	3
660 (350)	13