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1991 Honda Civic, Injector Waveform
Posted to the Waveform Library on 5/25/2001

Transducer is placed on the fuel pressure regulator without vacuum. The pulses are provided by the regulator diaphram reacting to the injector firings.

 

car Vehicle Data

1991 Honda Civic DX 1.5L

Engine1.5 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

References

TOOL: VACUUM WAVEFORM
TOOL: VACUUM WAVEFORM
TOOL: Another Vacuum Transducer Question
TOOL: Fuel rail vacuum waveform tool diagram
TECHTIP: Build your own low pressure transducer
TECHTIP: Finding Injector problems---An alternate method
TECHTIP: Finding Injector problems---An alternate method
TECHTIP: Finding Injector problems---An alternate method
TECHTIP: Finding Injector problems---An alternate method
SNAPON: Monitoring Fuel Evap Tank Pressure/Vacuum an alternate method

car Vehicle Data

1991 Honda Civic DX 1.5L

Engine1.5 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

References

TOOL: VACUUM WAVEFORM
TOOL: VACUUM WAVEFORM
TOOL: Another Vacuum Transducer Question
TOOL: Fuel rail vacuum waveform tool diagram
TECHTIP: Build your own low pressure transducer
TECHTIP: Finding Injector problems---An alternate method
TECHTIP: Finding Injector problems---An alternate method
TECHTIP: Finding Injector problems---An alternate method
TECHTIP: Finding Injector problems---An alternate method
SNAPON: Monitoring Fuel Evap Tank Pressure/Vacuum an alternate method