Hi all, This is a useful website for those who have an Oscilloscope or VirtualScopeon a PC/ Laptop wishing to diagnose the electronics side of the fuel injection system: Main Page: http://www.picotech.com/auto/waveforms.html Lambda Sensor: http://www.picotech.com/auto/waveforms/lambda_zirconia.html Idle Speed Rotary Valve: http://www.picotech.com/auto/waveforms/idle_speed_rotary.html Distributor Hall effect Pick Up: http://www.picotech.com/auto/waveforms/distributor_inductive_cranking.html http://www.picotech.com/auto/waveforms/distributor_inductive_running.html Regards, Nick. --------------------------------- Want to chat instantly with your online friends??Get the FREE Yahoo!Messenger [Non-text portions of this message have been removed]