Download EMS Professor - AE Tools & Computers

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts

Opto-isolator wikipedia, lookup

Pulse-width modulation wikipedia, lookup

Islanding wikipedia, lookup

Heterodyne wikipedia, lookup

Ground loop (electricity) wikipedia, lookup

Ignition system wikipedia, lookup

Dynamic range compression wikipedia, lookup

Spectral density wikipedia, lookup

Transcript
Carman scanFor EMS PROfesor
1.13.4 Purge Valve Field Service Example
Field example of Purge valve malfunction : Purge valve opened stuck
Trouble
Coupe vehicle : Engine is hard to start when hot summer season.
And fuel control is so rich with engine vibration after start.
Cause of
trouble
Purge valve is stuck at closed position with hot condition. At this time, over fuel gas is
supplied into engine when vehicle start and it lead to make hard vehicle start.Engine
vibration is still remained until fuel gas is completely exhausted.
Related
vehicle
Signal view
This is frequently taken place with Siemens purge valve equipped vehicle. With BOSCH
valve, it is sometimes occurred.
O2 sensor signal with problem occurrence
Purge valve stuck is not checked with signal,indirectly it can be
checked with O2 sensor signal when fuel control is too rich.
61