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How do I use mode II on ECU?
How do I use mode II on the ECU to determine if engine is running rich, lean or normal? The FSM says nothing about how to enter mode II. I know I wait for 2 flashes, turn ECU back to normal to enter mode II. It says nothing about running the vehicle and I'd imagine the car would need to be running for an accurate reading.
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-Joe
Used to have:
'97 SE -Blue LED interior lights, full bra, converted PIAA XTreme 9007, PIAA 1100x driving lights, rain guards, sunroof deflector
Now have:
1987 GXE - Blue LED Auto Climate, Clear bumper lenses, Pioneer Premier HU, Kenwood Excelon Amp, Phillips Hi-Vis bulbs, Modified 9007 headlamp housings. Re-wired corner lights.
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Linear Mode
