Club de Propietarios del Seat Leon

Hola a todos necesito ayuda ,el coche fue a tres talleres y no le sacan el fallo,tengo un seat leon 1.8 t 20vt ,que de 1000 a 2000 vueltas como que se ahoga como que para en seco, no es como si reduces se para y si reduces pues ya entonces tira, me miraron tubos, mariposa,bobinas ,caudalimetro le pusieron la centralita de otro modelo igual y na dan con la averia ,si alguien me puede alludar estaria agradecidole pase el vag com y quedo asi
VAG-COM Version: Release 311.2-N


Chassis Type: 1M - Seat Leon
Scan: 01,02,03,08,15,17,19,22,35,46,56

Address 01 -------------------------------------------------------
Controller: 06A 906 032 MJ
Component: 1.8L R4/5VT 01 0003
Coding: 11510
Shop #: WSC 00000
VSSZZZ1MZ3R092854 SEZ7Z0C1922854
3 Faults Found:
18010 - Power Supply Terminal 30: Voltage too Low
P1602 - 35-10 - - - Intermittent
16885 - Vehicle Speed Sensor: Implausible Signal
P0501 - 35-10 - - - Intermittent
16955 - Brake Switch (F): Implausible Signal
P0571 - 35-10 - - - Intermittent
Readiness: 0000 1001

Address 03 -------------------------------------------------------
Controller: 1C0 907 379 K
Component: ASR FRONT MK60 0103
Coding: 0022017
Shop #: WSC 00001
No fault code found.

Address 08 -------------------------------------------------------
Controller: 1M0 820 043 D
Component: 1M-CLIMATRONIC 
Coding: 00040
Shop #: WSC 06402
Note: Excessive Comm Errors
6 Faults Found:
00604 - Potentiometer Positioning Motor for Air Flow Flap (G113)
30-10 - Open or Short to B+ - Intermittent
01542 - Yaw Rate Sensor (G202)
15-00 - Adaptation Limit (Add) Not Reached
01542 - Yaw Rate Sensor (G202)
15-00 - Adaptation Limit (Add) Not Reached
01542 - Yaw Rate Sensor (G202)
15-00 - Adaptation Limit (Add) Not Reached
01542 - Yaw Rate Sensor (G202)
15-00 - Adaptation Limit (Add) Not Reached
00604 - Potentiometer Positioning Motor for Air Flow Flap (G113)
30-10 - Open or Short to B+ - Intermittent

Skipping Address 15-Airbags

Address 17 -------------------------------------------------------
Controller: 1M0 920 822 G
Component: KOMBI+WEGFAHRSP VDO V03
Coding: 05124
Shop #: WSC 03474
VSSZZZ1MZ3R092854 SEZ7Z0C1922854
2 Faults Found:
00771 - Fuel Level Sensor (G)
30-10 - Open or Short to B+ - Intermittent
01314 - Engine Control Module
49-10 - No Communications - Intermittent

Address 19 -------------------------------------------------------
Controller: 6N0 909 901
Component: Gateway K<->CAN 0001
Coding: 00006
Shop #: WSC 06402
1 Fault Found:
01314 - Engine Control Module
49-10 - No Communications - Intermittent

Address 46 -------------------------------------------------------
Controller: 1C0 959 799 F
Component: 9V Komfortgerát HLO 0003
Coding: 00259
Shop #: WSC 06402
4 Faults Found:
01330 - Central Control Module for Central Convenience (J393)
53-10 - Supply Voltage Too Low - Intermittent
01358 - Internal Central Locking Switch: Driver Side (E150)
27-10 - Implausible Signal - Intermittent
00928 - Locking Module for Central Locking: Front Driver Side (F220)
27-00 - Implausible Signal
01359 - Internal Central Locking Switch: Passenger Side (E198)
27-10 - Implausible Signal - Intermittent

End -------------------------------------------------------