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code p0171 engine light on now fixed!!!!!!

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got the code checked that was causing my engine man light to be on.

Found it to be a ripp in a hose nr the front of my engine

got this drawing from 20vforum

AWWAWPVacDiag.JPG

Turbocharging System, Overview

1 - Vent line

From gravity valve at fuel tank.

2 - EVAP canister

With Evaporative Emission (EVAP) canister purge regulator valve -N80-

3 - Turbocharger

4 - Check-valve

For EVAP canister system

5 - Pressure unit

For Boost Pressure Regulation Valve

6 - Deceleration shut-off valve

7 - Wastegate bypass regulator valve - N75

Valve is activated (pulsed) by the Engine Control Module (ECM)

Checking activation: See Output Diagnostic Test Mode (DTM), activating. Refer to "On Board Diagnostic". See: Computers and Control Systems\Testing and Inspection

8 - Brake booster

9 - Check-valve

For brake booster

10 - Air filter with Mass Air Flow (MAF) sensor - G70 -

11 - Pressure control valve for crankshaft housing ventilation

12 - Combination valve

For Secondary Air Injection (AIR) system

13 - Fuel pressure regulator

14 - Check-valve

15 - Recirculating valve for turbocharger -N249-

16 - Secondary Air Injection (AIR) solenoid valve -N112-

17 - Crankcase ventilation

18 - Check-valve

For EVAP canister system

19 - Charge air pressure sensor -G31- / charge air cooler

20 - Secondary Air Injection (AIR) pump motor - V101 - *

Checking function. See: Emission Control Systems\Air Injection Pump\Testing and Inspection

21 - Vacuum reservoir

  • Author

think it may have been on the pipe which is shown as pipe no 17

  • Author

bump

  • Author

just been out in the car again and can't getover how this small rip in the pipe caused all my problems!!!

Apparently its a common fault on the 1.8t engine.

Someone look at this thread it may stop your problem!!!

just been out in the car again and can't getover how this small rip in the pipe caused all my problems!!!

Apparently its a common fault on the 1.8t engine.

Someone look at this thread it may stop your problem!!!

What were the symptoms ? may help others solve the problem :thumbup:

  • 8 months later...
got the code checked that was causing my engine man light to be on.

Found it to be a ripp in a hose nr the front of my engine

got this drawing from 20vforum

AWWAWPVacDiag.JPG

Hello guys there is no drawing/schematics. Do any body have a pic or this drawing ? I have a similar problem in my 1.8T and want to check it.

THX,

Isaac

  • 1 month later...
  • Author

cant find the piccy!

  • 1 year later...

Hello guys

I have the similar problem with my skoda fabia estate 1.4L. Engine warning light, fault code PO171.

there is no drawing/schematics of the solution here. Do any body have a pic or this drawing ?

Please reply me the steps to solve this problem asap.

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