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Polo 3 (1995-2003) Polo 4 (2001-2009)

Checking the engine operating modes (VW Polo 3)

  • Main
  • Polo
  • Polo 3
  • Power unit
  • Petrol engines 1.6 and 1.8
  • Checking the engine operating modes
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1. Connect the VAG 1551 fault code reader (V.A.G 1552) and dial "01" "Engine Electronics". The engine should idle. The display should show the following information:

1. Connect the VAG 1551 fault code reader (V.A.G 1552) and dial «01» «Engine Electronics». The…

2. Press "08" to select the "Read measured value block" function and confirm by pressing the "O" button. The display should show the following information:

2. Press «08» to select the «Read measured value block» function and confirm by pressing the «O»…

3. Select the desired group. Press "04" to select "Display Group 4" and confirm with "Q". The display should show the following information:

3. Select the desired group. Press «04» to select «Display Group 4» and confirm with «Q». The…

4. Observe the 8-digit block of numbers in area 4 of the display.


5. Display in working mode:
  • idle: The second digit from the left should be 1-01000000;
  • partial throttling (the revs increase gradually): the third digit from the left should be 1-00100000;
  • full throttle (throttle valve is fully open): the fourth digit from the left should be 1-00010000.

Overshoot mode permissible rotational speed (Overrun) (speed is above 3000 rpm, suddenly close the throttle valve): all the time when the speed is above 1500 rpm, the first digit on the left should be 1-1100000 (short-term).

6. Next, click "→".

7. Press "06" to select the "Complete Output" function and confirm by pressing the "Q" button.

8. If the specification values are not achieved, interrogate the fault memory, correct the faults and clear the fault codes from the memory, check the throttle potentiometer and idle switch.

This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
The text has been checked: Kolesnikov Artem

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Previous articles
Checking the Oxygen Sensor Heater
Checking the oxygen sensor and lambda control
Reading the measured value block and basic settings
Clearing fault memory
Querying fault memory
Connecting the VAG 1551 fault code reader
Next articles
Checking the coolant temperature sensor
Checking the injector
Checking the inlet air temperature sensor
Installing the ignition distributor
Checking and adjusting the ignition timing angle
Checking the Hall sensor


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Checking the engine oil level Passat B4 (1988-1996)
Checking engine systems Golf 1 (1974-1984, petrol)
Checking the belt drive pulleys for misalignment (4.2L petrol… Touareg 1 (2002-2006)
Car engine number Tiguan 1 (2007-2015)
Checking the engine oil level and replacing it Sharan 1 (1995-2000)
Checking the engine oil level Transporter T4 (1990-2003)
Checking the engine oil level Caddy 3 (2003-2010)
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Polo 4 
  • General information
  • User manual
  • Maintenance
  • Power unit
  • Engine repair
  • Cooling and lubrication system
  • Control system
  • Injection system (diesel)
  • Supply system
  • Exhaust system
  • Chassis
  • Front suspension
  • Rear suspension
  • Steering
  • Wheels and tires
  • Brake system
  • Body
  • Interior
  • Exterior
  • Electrical equipment
  • Equipment and devices
  • Wiper system
  • Lighting system
  • Electrical circuits
Polo 3 
  • General information
  • User manual
  • Maintenance
  • Power unit
  • Petrol engines 1.4 and 1.6
  • Petrol engines 1.4 (V16)
  • Petrol engines 1.6 and 1.8
  • Diesel engines 1.7 and 1.9
  • Diesel engines 1.9 D and TD
  • Transmission
  • Mechanical gearbox 085
  • Mechanical gearbox 020/02K
  • Chassis
  • Front suspension
  • Rear suspension
  • Steering
  • Brake system
  • Body
  • Exterior
  • Interior
  • Electrical equipment
  • Equipment and instruments (until 2000)
  • Equipment and instruments (after 2000)
  • Electrical circuits
  • Wiring diagrams (petrol)
  • Wiring diagrams (diesel)
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