Engines / Diesel / 1.9/74 kW TDI etc / Test of intake air volume sensor

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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:
- engine speed idling
- second mechanic necessary!

connect with the control unit XX - engine
XX - Measured values group XXX

required values:
field X = XXX-XXX mg/H
field X = X,X %

do a test drive, from XXXX rpm, accelerate in Xrd gear to about XXXX rpm

required values: group XXX
field X > XXX mg/H
field X = XXXX-XXXXmbar
field X = XXX.X %

if values are not achieved field X check component: Intake air mass sensor

if values are not achieved field X check component: turbo blower

if values are not achieved field X check component: gas pedal position sensor

Created on: XX.XX.XXXX XX:XX:XX Copyright © XXXX-XXXX, AutoComSoft Ltd All rights reserved. (Karolina)

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