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1987 Volvo 740, HO2S, Injector, MAF Waveform
Posted to the Waveform Library on 8/25/2001

This was taken from the green/wht wire on the two pin connector by the battery. While there is some variation on the pulse width, it is much better than in the previous image, after adjusting the MAF screw. This is a good example of using a voltmeter or scope ...

 

car Vehicle Data

1987 Volvo 740 GLE 2.3L

Engine2.3 L / 4 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component, ,
ConditionKnown Good

car Vehicle Data

1987 Volvo 740 GLE 2.3L

Engine2.3 L / 4 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component, ,
ConditionKnown Good