If the vehicle has fault P2457 check the inlet and outlet side temperature of the EGR cooler and the heater core. If there is a substantial difference in temperature perform the cooling system cleaning procedure. Cooling system cleaning procedure: In order to restore the cooling system to normal specification the coolant must be removed with the
Firstly, as a garage owner, the continually miss used “ripped off” expression grates. Guesstimating your car has a BKP code engine, the 3C underwent some erratic and unpredictable EGR system changes for the 2006 model year, the early systems were very unreliable so we need your VIN, and even then we cannot be accurate. a picture of the EGR valve/manifold would help.
Apparently a few engine complete destructions were caused by EGR failure injecting coolant straight into the engine. even happen to a an erly review of the t6. Volkswagen T6 Transporter (2015 on) " 2-12-2016: Total failure of 2.0 TDI 102 engine of 10 week old 2016 T6 camper reported due to failure of EGR valve causing coolant to be drawn into