Ford Mondeo IV (2007 - ) - TDCi "transient overboost" -- what triggers it?

Honest John Back Room » Motoring discussion
Tue 8 Jul 2008 10:08  Back Top End
TDCi - craig-pd130
Yes, the ECU causes the vac solenoid to switch rapidly between applying vac to the VNT and the bypass line. This "pulses" the VNT mechanism (several times per second I believe) so it stays partially, but not fully open.
Reply | Report as offensive | Link
 Messages Author Date
TDCi "transient overboost" -- what triggers it?  craig-pd130 Mon 7 Jul 2008 12:07
TDCi "transient overboost" -- what triggers it?  Screwloose Mon 7 Jul 2008 15:20
TDCi  DP Mon 7 Jul 2008 15:30
TDCi  craig-pd130 Mon 7 Jul 2008 16:17
TDCi  Screwloose Mon 7 Jul 2008 21:13
TDCi  craig-pd130 Mon 7 Jul 2008 21:41
Transient overboost  MikeTorque Tue 8 Jul 2008 00:54
TDCi  davidh Tue 8 Jul 2008 01:09
TDCi  Old Navy Tue 8 Jul 2008 09:15
TDCi  kithmo Tue 8 Jul 2008 09:58
TDCi  craig-pd130 Tue 8 Jul 2008 10:08
TDCi  Old Navy Tue 8 Jul 2008 10:17