Recent content by HillclimbRS200

  1. H

    Can someone explain to me how the VVT works on a RS197/200?

    Thanks everyone for your help. I have now checked the signal to the VVT solenoid: there isn’t one. Time for professional help I think.
  2. H

    Can someone explain to me how the VVT works on a RS197/200?

    Thank you for the information. I no longer have easy access to an oscilloscope. Does anyone know if an iCarsoft scanner can display the pulse width or does it not acquire data at a sufficiently high frequency? I think that it must be very similar to measuring injector pulse width.
  3. H

    Can someone explain to me how the VVT works on a RS197/200?

    The solenoid valve seems to be an on/off switch, same as the 172/182. Can someone explain how it can provide proportional control in the later cars? Also, how would the voltage at the solenoid and the cam position sensor be expected to vary with rpm and throttle position? Thanks