Help with Vacuum system on B5 1.9tdi please / 17964 Vagcom error
After developing an intermittent power loss fault on my B5 00X 1.9 TDi, I purchased a Vagcom lead. I am now getting the following error on my shareware version.
17964 - Charge Pressure Control: Negative Deviation
P1556 - 35-10 - - - Intermittent
Checked out the wiki here which is recommending that I initially check the pipes between components. Other than what I can basically see from the top of the engine are there any main pipes that would cause the issues. I have already noticed a couple of potential discrepancies with the pipes and trimmed some of the ends off already. (no change though) I have also ordered some new pipe to replace any larger sections that I find.
The second recommendation is to
This means little to me so if anyone knows of a how to guide then can they please let me know, or alternatively would purchasing a haynes manual assist?
- Check Solenoid Valve for Boost Pressure Control (N75)
- Check / Clean / Replace Charge Pressure Control
- Check / Clean mechanism for variable nozzles
Any help appreciated, and apologies if it has been posted before, I did search but anything I found didn't really give the advice on how to do it:unsure:.