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International Automotive Technicians Network
Re: Misfire
Posted to Technical Discussion Forum on 5/1/2019 1 Reply

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[2000 GMC Safari SL, Engine/Propulsion Waveform]

CH C is a WPS500 in the pcv hose to measure the engine vacuum and to compare each cylinder's intake stroke pulses. CH D is cyl 1 sync probe.

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car Vehicle Data

2000 GMC Safari SL 4.3L

Engine4.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2000 GMC Safari SL 4.3L

Engine4.3 L
Trans4-speed Automatic (Electronic)