Hi, I have a problem on my 03 93 1.8t which triggered the engine light. I loose some power but not too much.
The code was P0033 - Turbo Charger Bypass Valve Control Circuit.
Now I have found the actual valve directly under the air intake from the filter as it enters the turbo.
Its listed here :
as part number 55558271.
Has anyone had a similar fault ? and would anyone suggest replacing any other parts before the valve as the error code states "control circuit " which am assuming could mean other things connected to th valve.
If i need to , i am considering replacing this item myself as there are only three screws holding it down. Only possible problem is it has a spring/diaphram in it which may be tricky to get back on.