Coolant Temperature Sensor/Switch (For Computer): Specifications

Ignition Timing
Base Ignition Timing
At idle 5° BTDC

Air Flow Sensor
At 750 RPM 18 - 44 Hz
At 2,000 RPM 43 - 83 Hz


Barometric Pressure Sensor Voltage
(W/ key on and engine off)
At sea level Approximately 4.0 volts.
At 2,000 ft. Approximately 3.75 volts.
At 4,000 ft. Approximately 3.50 volts.
At 6,000 ft. Approximately 3.25 volts.

Crank Angle Sensor
Approximate Voltage at idle 1.8 - 2.5v (needle fluctuates)

EGR Temperature Sensor Resistance
At 122° F (50° C) 60 - 83 KOhms
At 212° F (100° C) 11 - 14 KOhms

EGR Control Solenoid Valve Resistance
At 68° F (20° C) 36 - 44 Ohms

Engine Coolant Temperature Sensor Resistance
At 68° F (20° C) 2.5K Ohms
At 176° F (80° C) 300 Ohms

Fuel Injector Coil Resistance
At 68° F (20° C) 13 - 16 Ohms

Idle Speed Control Servo Resistance
At 68° F (20° C) 28 - 33 Ohms

Intake Air Temperature Sensor Resistance
At 68° F (20° C) 2.7 KOhms
At 176° F (80° C) 400 Ohms

Purge Control Solenoid Valve Resistance
At 68° F (20° C) 36 - 44 Ohms


Throttle Position Sensor
TPS Output @ curb idle 0.40-1.00v
Resistance Approx 0.5k ohm smoothly increasing to 3.5K-6.5k ohm