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1998 Mazda 626 LX, Emissions Waveform
Posted to the Waveform Library on 2/1/2018

Known good O2 with the #1 injector unplugged. Yellow trace is the #1 injector, with a 47 Ohm resistor inserted into the connector so the pulses can be viewed in relation to the O2 signal. 5 Second screen, 200mv/div on the O2.

 

car Vehicle Data

1998 Mazda 626 LX 2.0L

Engine2.0 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemEmissions
Component
ConditionKnown Good

car Vehicle Data

1998 Mazda 626 LX 2.0L

Engine2.0 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemEmissions
Component
ConditionKnown Good