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Fuel Pump waves
Posted to Technical Discussion Forum on 4/5/2011 5 Replies

[1997 Oldsmobile 88 Royale LS, Fuel Supply Waveform]

If we do the same pump with the relay removed and a jumper in place with amp probe on the jumper then the patteren looks consistant all the way across. What is the spike? Ignition? If KOEO and pump relay ... Login to read more.

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car Vehicle Data

1997 Oldsmobile 88 Royale LS 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1997 Oldsmobile 88 Royale LS 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)