30-08-2015, 08:19 AM
(30-08-2015, 12:09 AM)JTaylor2005 Wrote: As far as I am aware the PD engines have whats called an Anti-Shudder valve. This is controlled through vacuum and an ECU solenoid. When you turn the car off it snaps shut to stop the engine running on any diesel left in the fuel system and weirding people out that don't know why its running on.
From experience, PDs sound bloody awful on shut-off when you bypass the ASV/EGR with a race tube lol.
