Hi all, just wondering if someone could confirm how to test the TCV on the 2.0d DT4204T engine. There is a video on YouTube which shows someone connecting a vacuum gauge to the port which connects to the actuator on the turbo. At tickover the vacuum gauge shows vacuum at around 700 to 800 and when the revs are increased the vacuum quickly drops off. I don't have a Dice cable so can't check for codes however turbo performance feels lackluster and MPG is poor at around 35 to 38 mpg. I ve also seen a vid saying that with the TCV off the car you should not be able to blow through the ports. Any assistance on tips to check the TCV would be appreciated 👍