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Home >> Acura >> 1986 >> Legend Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Electronic Engine Control System >> Trouble Shooting >> Stalling During Warm Up
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Stalling During Warm Up

Check if PGM-FI light and Red LED light is on. This indicates that back-up system is in operation. Replace ECU with one known to be good and recheck. Check electronic idle control valve, air intake system, oxygen sensor, coolant temperature sensor, throttle angle sensor, other idle controls, fuel supply and EGR control system.