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Re: 07 Jeep 3.8 DIS p0302
Posted to Technical Theory Forum on 2/22/2018 12 Replies

[2002 Pontiac Grand Prix GT, Ignition Waveform]

This is a known good wave form with no misfires.

CH A is the B+ to the DIS ignition module, during cranking to start

CH B is the coil amps showing the ignition module controlling each of the 3 coil's dwell... Login to read more.

Files Referenced:

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car Vehicle Data

2002 Pontiac Grand Prix GT 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2002 Pontiac Grand Prix GT 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)