Astro Van L AWD V6-262 4.3L VIN Z (1994)
Oxygen Sensor: Specifications
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
212°F or (100°C) ................................................................................................................................................................................................. 177 Ohms
158°F or (70°C) ................................................................................................................................................................................................... 467 Ohms
100°F or (38°C) ................................................................................................................................................................................................. 1800 Ohms
68°F or (20°C) .................................................................................................................................................................................................. 3520 Ohms
40°F or (4°C) ..................................................................................................................................................................................................... 7500 Ohms
20°F or (-7°C) ................................................................................................................................................................................................. 13,500 Ohms
0°F or (-18°C) ................................................................................................................................................................................................. 25,000 Ohms
-40°F or (-40°C) ............................................................................................................................................................................................ 100,700 Ohms
IDLE AIR CONTROL (IAC) VALVE
Terminals "A" to "B" .................................................................................................................................................................................... 40 to 80 Ohms
Terminals "C" to "D" .................................................................................................................................................................................... 40 to 80 Ohms
Terminals "B" to "C" ..................................................................................................................................................................................... Infinite Ohms
Terminals "A" to "D" ..................................................................................................................................................................................... Infinite Ohms
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
1,000 to 2,000 Feet ...................................................................................................................................................................................... 3.6 to 5.2 Volts
2,000 to 3,000 Feet ...................................................................................................................................................................................... 3.5 to 5.1 Volts
3,000 to 4,000 Feet ...................................................................................................................................................................................... 3.3 to 5.0 Volts
4,000 to 5,000 Feet ...................................................................................................................................................................................... 3.2 to 4.8 Volts
5,000 to 6,000 Feet ...................................................................................................................................................................................... 3.0 to 4.6 Volts
6,000 to 7,000 Feet ...................................................................................................................................................................................... 2.9 to 4.5 Volts
7,000 to 8,000 Feet ...................................................................................................................................................................................... 2.8 to 4.3 Volts
8,000 to 9,000 Feet ...................................................................................................................................................................................... 2.6 to 4.2 Volts
9,000 to 10,000 Feet ..................................................................................................................................................................................... 2.5 to 4.0 Volts
OXYGEN (O2S) SENSOR
Closed Loop ............................................................................................................................................................. 100 mV (.1 volt) to .999 mV (1.0 volt)
THROTTLE POSITION SENSOR
Idle (normal) ................................................................................................................................................................................................. .45 to .95 volts.
(maximum) ................................................................................................................................................................................................... 1.25 volts.
Wide Open Throttle ...................................................................................................................................................................................... 4.0 to 4.5 volts.
The Throttle position Sensor is not adjustable on this engine but should read below 1.25 volts at closed throttle and about 4.5 volts at wide open
throttle.