Pickup 4WD V6-2972cc 3.0L SOHC (1991)
EGR Temperature Sensor: Specifications
Air Flow Sensor
At 750 RPM ...................................................................................................................................................................................................... 20 - 45 Hz
At 2,000 RPM ................................................................................................................................................................................................... 70 - 90 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
EGR Temperature Sensor Resistance [3]
At 122° F (50° C) .................................................................................................................................................................................... 60K - 83K Ohms
At 212° F (100° C) .................................................................................................................................................................................. 11K - 14K Ohms
EGR Control Solenoid Valve Resistance 3]
At 68° F (620° 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 (Stepper Motor) Resistance
At 68° F (20° C) ........................................................................................................................................................................................... 28 - 33 Ohms
Ignition Timing
Base [1] ................................................................................................................................................................................................... 5° BTDC At Idle
Advance [2] .......................................................................................................................................................................................... 15° BTDC At Idle
Intake Air Temperature Sensor Resistance
At 68° F (20° C) ............................................................................................................................................................................................... 2.7K Ohms
At 176° F (80° C) ............................................................................................................................................................................................... 300 Ohms
Purge Control Solenoid Valve Resistance
At 68° F (20° C) ........................................................................................................................................................................................... 36 - 44 Ohms
Throttle Position Sensor Adjustment Voltage
At Curb Idle ............................................................................................................................................................................................. 0.48 - 0.52 Volts
Throttle Position Sensor Resistance
Varies between ...................................................................................................................................................................................... 3.5K - 6.5K Ohms
[1] With ignition timing adjustment connector grounded.
[2] Not adjustable (under computer control).
[3] California Only.