A4 Sedan L4-1.8L Turbo (AEB) (1997)
Engine Control Module: Customer Interest
Engine - Lack Of Power
Group: 01
Number: 97-07
Date: Sept. 9, 1997
Subject:
Customer Reports Lack of Power
Model(s):
A4 1.8L Turbo with Auto Trans
Condition
Customer reports lack of power.
Service
If condition exists perform the following:
WARNING!
When road testing a vehicle, ALWAYS use a second Technician to operate the VAG 1551 Scan Tool
Never place anything between you and the driver or passenger Airbag.
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Connect the VAG 1551 Scan Tool (ST).
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Start engine, press button -1- to select "Rapid data transfer" operating mode 01.
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Press buttons -0- and -1- to insert "Engine Electronics" address word 01, then press -Q- button to confirm input.
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Press the --> button.
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Press buttons -0- and -8- to select "Read Measuring Value Block" Function 08, then press -Q- button to confirm input.
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Press buttons -0-, -0- and -4- to select Display Group 4, then press -Q- button to confirm input.
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Observe field 3 which displays engine coolant temperature.
When engine coolant temperature is between 45°C and 65°C, Road test vehicle and:
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Press the -C- button ,then press buttons -0-, -2- and -0- to select Display Group 20, then press -Q- button to confirm input.
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Accelerate from a stop at wide open throttle while pushing the print button as many times as possible.
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Repeat procedure with engine coolant temperature above 80°C.
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Using the Scan Tool printouts, add figures from 4 channels -arrows- of Display Group 20 together.