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1999 Mercury Grand Marquis, Ignition - Primary Waveform
Posted to the Waveform Library on 11/30/2007

Left image is normal primary voltage and current, right image is primary voltage and current during misfire. Both shots captured at idle.

 

car Vehicle Data

1999 Mercury Grand Marquis GS 4.6L

Engine4.6 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component

car Vehicle Data

1999 Mercury Grand Marquis GS 4.6L

Engine4.6 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component