Erro Throtle valve

[tekl]

Boa tarde,

Sou inexperiente neste assunto, o meu A4 B8, em andamento acendeu brevemente a luz de resistência e depois ficou acesa a luz de avaria de motor. Fiz o scan e recebi isto, algo grave?

1 Fault Found:
5296 - Throttle Valve Actuator Module (J338): Motor Circuit
P2102 00 [168] - Signal Low
MIL ON - Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 86
Mileage: 181905 km
Date: 2016.09.21
Time: 09:16:33

Address 03: ABS Brakes (J104) Labels: 8K0-907-379.clb
Part No SW: 8K0 907 379 P HW: 8K0 907 379 P
Component: ESP8 front H04 0180
Revision: -------- Serial number: --------------
Coding: 160500
Shop #: WSC 02399 823 56573
VCID: 4683B093F152362EEEF-8013

1 Fault Found:
00446 - Function Limitation due to Under-Voltage
002 - Lower Limit Exceeded - Intermittent
Freeze Frame:
Fault Status: 00100010
Fault Priority: 2
Fault Frequency: 2
Reset counter: 8
Mileage: 180981 km
Time Indication: 0
Date: 2016.09.03
Time: 13:10:52

Freeze Frame:
Hex Value: 0x00C0
Hex Value: 0x00A6
Hex Value: 0x1F21
Hex Value: 0x1696
Hex Value: 0x00FF

Address 19: CAN Gateway (J533) Labels: 8T0-907-468.clb
Part No SW: 8T0 907 468 D HW: 8T0 907 468 D
Component: GW-BEM 5CAN H04 0084
Revision: GA801030 Serial number: 3000G081038142
Coding: 000003
Shop #: WSC 84200 261 65321
VCID: 428BAC83DD7A0A0EC27-8017

Subsystem 1 - Part No SW: 8K0 915 181 B HW: 8K0 915 181 B
Component: J367-BDM H03 0150

1 Fault Found:
03041 - Energy Management Active
000 - -
Freeze Frame:
Fault Status: 01100000
Fault Priority: 7
Fault Frequency: 31
Reset counter: 242
Mileage: 174998 km
Time Indication: 0
Date: 2016.04.14
Time: 15:26:52


2 Faults Found:
02615 - Fuel Tank Cap; Lock
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 2
Fault Frequency: 16
Reset counter: 118
Mileage: 174582 km
Time Indication: 0
Date: 2016.04.06
Time: 10:57:27

02616 - Fuel Tank Cap; Unlock
009 - Open or Short to Ground
Freeze Frame:
Fault Status: 01101001
Fault Priority: 2
Fault Frequency: 16
Reset counter: 131
Mileage: 174582 km
Time Indication: 0
Date: 2016.04.06
Time: 15:40:22

 

[pratinhol]

If you are getting a P2102 error code associated with "Engine Fault, Workshop!" on the display, then there is most likely something wrong with the throttle valve.
The throttle valve and EGR valve can get gummed up or filled with engine oil causing them to fail:
Replacement of the throttle valve involves:

• disconnect battery negative terminal;
• remove top of cold air intake - three plastic clips hold the top half in place;

• remove cold air intake U pipe from top of assembly;

• remove cold air intake U pipe from bottom of airbox - two lugs on either side hold it in place;

• undo electrical connector to throttle valve and place safely out of the way;
• loosen hose clamp at bottom of throttle valve;

• undo and remove the bolt that holds the dipstick to the throttle valve;
• undo three bolts that hold throttle valve in place - there is one at the front and two towards the rear. Two bolts are short and the rear left bolt is long enough that it goes through the throttle valve and EGR valve. A short handle ratchet driver is essential. The bolts have a T25 torx head;

• tilt throttle valve towards radiator and remove rubber intake hose from bottom.

Installation is the reverse procedure.
If you're throttle valve has lots of oil deposits, then it may be worth removing the EGR valve and giving it a clean as well. Mine had lots of oil buildup in various stages of hardness.
[h=2]Throttle valve and oil[/h]Here are some pictures of my failing throttle valve. Lots of oil deposited inside:

Lots of liquid oil inside throttle valve mechanism:

I cleaned my throttle value of its oil deposits and liquid oil in the mechanism but it still generated an intermittent P2102 fault code. As a result, I had no choice but to replace it with a new item. My version was 03L 128 063 B. It has since been superseded with revisions C, D and E. The replacement from VW was 03L 128 063 E. The revision E part has a plastic butterfly flap. The B revision was metal.