Engines / Diesel / 1.6/77kW TDI-CR CAYC;CLNA / Test - Fuel metering valve (N290)

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Mark	Model	Control unit	Diagnostic operation

Mark

Select a vehicle make or a common group such as Service Intervals, Engines, Transmissions, Immobilizers and Independent Heaters.

Model

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

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Conditions:
- ignition = ON
- engine speed = idling

Note:
X bar = X,X MPa

connect with the control unit XX - engine

wait XX s

Advanced Measured Values

select item:

X)
IDEXXXXX-ENGXXXXXX - high fuel pressure: actual value FUP_FIL
IDEXXXXX-ENGXXXXXX - high fuel pressure: required value FUP_SP_KPA

desired condition: the maximum permissible difference is XX bar

X)
IDEXXXXX-ENGXXXXXX - Fuel metering valve VCV

required values: XX - XX %

X)
IDEXXXXX-ENGXXXXX - fuel pressure - regulator valve PCV

required values: XX - XX %

TIP: For easier search in the menu, enter the code IDE, ENG or MAS into the "Filter" window

Start

if values are not achieved - check component:
- Low-pressure Fuel system
- fuel pressure regulation vlave (NXXX)
- pressure sensor - fuel pressure
- Fuel metering valve
- hipressure pump

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