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Home >> Jeep >> 1981 >> Cherokee Base, 2D Utility, 4.2L Eng VIN C, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Computerized Emission Control >> Operation >> Data Sensors >> Timer
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Data Sensors: Timer

This timer is activated whenever system is operating in open loop 2 mode (wide open throttle). This timer remains active for a preset period of time. If a "lean limit" condition (altitude jumper wire installed) occurs, the timer becomes inoperative. The timer has multi-function abilities, in addition to OL2 mode, it is used as a WOT timer and start-up timer.