System Specifications
Ignition TimingBase Ignition Timing
At idle 5° BTDC
Air Flow Sensor
At 750 RPM 23 - 49 Hz
At 2,000 RPM 51 - 91 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 [1]
At 122° F (50° C) 60 - 83 KOhms
At 212° F (100° C) 11 - 14 KOhms
EGR Control Solenoid Valve Resistance [3]
At 68° F (20° C) 36 - 44 Ohms
Engine Coolant Temperature Sensor Resistance
At 32° F (0° C) 5.9K Ohms
At 68° F (20° C) 2.5K Ohms
At 104° F (40° C) 1.1K 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
[1] California Only.