Hey

cars still not got any power..well no boost

cars in garage bringing back fault code p1556/17964 charge pressure regulation?

anyone help me on how to sort this please as the garage are stumped by it as its not the actuator, turbo or the boost lines as checked them

Thanks euan

Did you get to the bottom of the problem?

This might help.

http://wiki.ross-tech.com/wiki/index.php/17964/P1556/005462

Edit: Just noticed, the thread was posted in December, so I'd hope it's fixed by now.

Edited 5 July, 201115 yr by Jim H

Yeah I noticed it but just wanted to know the outcome