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1977 Porsche 911, FP Waveform
Posted to the Waveform Library on 7/12/2003

Overboost pressure switch, and fuel pressure under WOT Full boost. Here the upper trace clearly shows the over boost switch is being triggered, but the pressure has already dropped to 4.5 bar (spec is 6.0--6.7 bar) just before the switch activated. We had conf...

 

car Vehicle Data

1977 Porsche 911 Turbo Carrera 3.0L

Engine3.0 L / 6 cyl / GAS
Trans4-speed StandardTransaxle
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad

car Vehicle Data

1977 Porsche 911 Turbo Carrera 3.0L

Engine3.0 L / 6 cyl / GAS
Trans4-speed StandardTransaxle
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad