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1984 Mazda 626, O2S Waveform
Posted to the Waveform Library on 1/26/2003

again, taken at idle, better resolution that the min max current waveform but that one let me see the trend.

On carberated 2.0 at idle... why does O2 voltage make a sine wave following one revolution of engine?

 

car Vehicle Data

1984 Mazda 626 DX 2.0L

VIN JM1GC2410E
Engine2.0 L / 4 cyl / GAS
Trans5-speed StandardTransaxle
DeliveryCarburetion
SubsystemECM/Inputs/Outputs
Component

car Vehicle Data

1984 Mazda 626 DX 2.0L

VIN JM1GC2410E
Engine2.0 L / 4 cyl / GAS
Trans5-speed StandardTransaxle
DeliveryCarburetion
SubsystemECM/Inputs/Outputs
Component