Car seems to be holding back.

[Parsy-Cupra]

Right sorry everyone, I know people are gonna say do a "search" but i've searched and dont really know where to start. Any help or a point in the right direction would be much appreciated.
I noticed the other day while accelerating my car boosts to 20psi then quickly (bout 3500rpm) drops to 15 and then holds bout 10psi. It seems to be like holding back, hard to explain so got it on my vag-com and this is what showed up,

Address 01: Engine
Controller: 6K0 906 032 AA
Component: 1.8L 20VT EU3 0002
Coding: 10500
Shop #: WSC 79413
9 Faults Found:
17535 - Long Term Fuel Trim mult., Bank1 System too Rich - Intermittent
18010 - Power Supply (B+) Terminal 30 Low Voltage- Intermittent
17953 - Throttle Valve Controller: Malfunction
P1545 - 35-10 - - - Intermittent
16684 - Random/Multiple Cylinder Misfire Detected - Intermittent
16685 - Cyl.1 Misfire Detected - Intermittent
17695 - Boost Pressure Control Valve (N249): Open Circuit
P1287 - 35-10 - - - Intermittent
16687 - Cyl.3 Misfire Detected - Intermittent
16688 - Cyl.4 Misfire Detected - Intermittent
17956 - Boost Pressure Regulation Valve (N75): Open Circuit
P1548 - 35-10 - - - Intermittent
Readiness: 0010 1000

As i said any help would be great!

Cheers

 

[ian_cupra]

sounds like could be an earth problem to me, cant be bothered to try and search for what all the other codes mean, check all your electircal valves and connectors under the bonnet, along with fuses under the dash

 

[acidstrato]

as a guess with that number of faults i'd check the fuse box for sure

 

[Parsy-Cupra]

i'll have a look tommorow then, could the fuses be affecting the way its driving tho??

 

[ian_cupra]

yeah, will put it into limp mode

 

[Reuvers]

its the red fuse under the steering wheel.

exactly same question was asked on tuesday and the week before that too

 

[Reuvers]

click pic to enlarge and see red circle

 

[ian_cupra]

i was being nice but love it when you find these threads reuvers

 

[ebo007]

That was my thread. (I think) I will update it now with the outcome.
Check fuse 8 definetly.
The fault codes are similar to what I had last week and it was due to the induction kit pushing the air pipes etc further back that they are meant to. One of the wires connecting to the boost valve had rubbed through and was shorting against the bulk head or one of the metal brackets (if I remember correctly). Thus making fuse 8 blow everytime I accelerated hard.
Check that see if that helps.

 

[Reuvers]

its the fuse trust me

 

[Reuvers]

i was being nice but love it when you find these threads reuvers

It's hard work

 

[__B3NNY__]

I think you need to clear them codes, go for a drive then re-scan, random misfires on 3 cylinders, you car would run like a bag of shite!

A N75 with open circut wouldnt produce 20psi.