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2004 Nissan Altima, Engine/Propulsion Waveform
Posted to the Waveform Library on 12/22/2012

It's not a big difference but the delay of the falling wave on the intake shows the cylinder not pulling into a vacuum even though the piston is already moving downward. Once the intake valve opens, the pressure drops rapidly. Previously unseen is the intake v...

 

car Vehicle Data

2004 Nissan Altima 2.5L

Engine2.5 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemEngine/Propulsion
Component
ConditionKnown Bad

car Vehicle Data

2004 Nissan Altima 2.5L

Engine2.5 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemEngine/Propulsion
Component
ConditionKnown Bad