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  • Examplepage for repair manual 4LV injection and ignition system
  • Examplepage for repair manual 2 4LV injection and ignition system
  • Examplepage for repair manual 3 4LV injection and ignition system

4LV injection and ignition system

For Polo

Original Volkswagen repair manual


13,78 €7% VAT incl.

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  • English

Immediately available for download

Language: English

Digital PDF file

1.883 KB

161 Sites

Detailed technical data

Immediately readable

This repair manual contains: General to self-diagnosis, Fault memory, Fault table: from V.A.G code 16486 / SAE P0 codes, Readiness code, Measured value blocks and Servicing injection system. Show more
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Repair manual Polo 4LV injection and ignition system PDF download has the following content:

Chapter overview

  • Self-diagnosis
    1
  • 1 General to self-diagnosis
    1
  • 1.1 General to self-diagnosis
    1
  • 1.2 Features of self-diagnosis
    1
  • 1.3 Technical data of self-diagnosis
    1
  • 1.4 Significance of EPC warning lamp (fault lamp for electronic accelerator) in dash panel insert
    3
  • 1.5 Significance of exhaust emissions warning lamp
    3
  • 1.6 Connecting fault reader V.A.G 1551 and selecting engine electronics control unit
    4
  • 2 Fault memory
    9
  • 2.1 Fault memory
    9
  • 2.2 Interrogating and erasing fault memory of engine control unit
    10
  • 2.3 Automatic test sequence
    11
  • 3 Fault table: from V.A.G code 16486 / SAE P0 codes
    12
  • 3.1 Fault table: from V.A.G code 16486 / SAE P0 codes
    12
  • 4 Fault table: from V.A.G code 17510 / SAE P1 codes
    16
  • 4.1 Fault table: from V.A.G code 17510 / SAE P1 codes
    16
  • 5 Final control diagnosis
    26
  • 5.1 Final control diagnosis
    26
  • 5.2 Performing final control diagnosis
    26
  • 6 Readiness code
    31
  • 6.1 Readiness code
    31
  • 6.2 Reading readiness code
    32
  • 6.3 Generating readiness code
    32
  • 7 Measured value blocks
    37
  • 7.1 Measured value blocks
    37
  • 7.2 Safety precautions
    37
  • 7.3 Read measured value block
    37
  • 8 Evaluating measured value blocks, display groups 0...6 -Basic functions
    38
  • 8.1 Evaluating measured value blocks, display groups 0...6 -Basic functions
    38
  • 9 Evaluating measured value blocks, display groups 10...29 -Ignition-
    43
  • 9.1 Evaluating measured value blocks, display groups 10...29 -Ignition-
    43
  • 10 Evaluating measured value blocks, display grps 30...49, 99 -Lambda regulation-
    46
  • 10.1 Evaluating measured value blocks, display grps 30...49, 99 -Lambda regulation-
    46
  • 11 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
    51
  • 11.1 Evaluating measured value blocks, display groups 50...69 -Speed regulation-
    51
  • 13 Evaluating measured value blocks, display group 100 -Readiness code-
    56
  • 13.1 Evaluating measured value blocks, display group 100 -Readiness code-
    56
  • 14 Evaluating measured value blocks, display groups 120...129 -Communication-
    56
  • 14.1 Evaluating measured value blocks, display groups 120...129 -Communication-
    56
  • Mixture preparation, Injection
    58
  • 1 Servicing injection system
    58
  • 1.1 Servicing injection system
    58
  • 1.2 Fitting locations overview
    58
  • 1.3 General notes on injection
    61
  • 1.4 Removing and installing parts of the injection system
    63
  • 1.5 Dismantling and assembling intake manifold
    74
  • 1.6 Dismantling and assembling fuel rail with injectors
    77
  • 1.7 Dismantling and assembling air cleaner
    80
  • 1.8 Safety precautions
    83
  • 1.9 Rules for cleanliness
    84
  • 1.10 Technical data
    85
  • 2 Checking components
    85
  • 2.1 Checking components
    85
  • 2.2 Checking Lambda probe heating before catalyst
    85
  • 2.3 Checking Lambda probe heating for Lambda probe after catalyst
    88
  • 2.4 Checking throttle valve control part
    90
  • 2.5 Checking intake manifold pressure sender
    92
  • 2.6 Checking intake air temperature sender
    96
  • 2.7 Checking coolant temperature sender
    100
  • 2.8 Checking engine speed sender
    104
  • 2.9 Checking injectors
    105
  • 2.10 Checking fuel pressure regulator and holding pressure
    112
  • 2.11 Checking intake air system for leaks (unmetered air)
    115
  • 2.12 Checking intake air preheating
    116
  • 3 Checking functions
    117
  • 3.1 Checking functions
    117
  • 3.2 Idling check
    117
  • 3.3 Checking Lambda probe and Lambda regulation before catalyst
    118
  • 3.4 Checking Lambda probe and Lambda regulation after catalyst
    122
  • 3.5 Checking ageing of Lambda probe before catalyst
    125
  • 3.6 Checking engine operating mode
    126
  • 4 Engine control unit
    127
  • 4.1 Engine control unit
    127
  • 4.2 Checking control unit voltage supply
    127
  • 4.3 Procedure after voltage supply open circuit
    129
  • 4.4 Replacing engine control unit
    130
  • 4.5 Coding engine control unit
    131
  • 4.6 Coding variants of engine control unit
    132
  • 4.7 Adapting engine control unit to throttle valve control part
    133
  • 4.8 Adapting engine control unit to electronic immobilizer
    134
  • 5 Checking additional signals
    136
  • 5.1 Checking additional signals
    136
  • 5.2 Checking speed signal
    136
  • 5.3 Checking signal from/to air conditioning system
    137
  • 5.4 Checking signal from brake light switch and brake pedal switch
    138
  • 5.5 Checking driving range signal
    141
  • 5.6 Checking rpm signal
    142
  • 5.7 Checking data bus
    142
  • Ignition system
    144
  • 1 Servicing ignition system
    144
  • 1.1 Servicing ignition system
    144
  • 1.2 General notes on ignition system
    144
  • 1.3 Removing and installing parts of the ignition system
    145
  • 1.4 Safety precautions
    147
  • 1.5 Test data, spark plugs
    148
  • 1.6 Checking Hall sender
    149
  • 1.7 Checking ignition transformer
    151
  • 1.8 Checking knock sensor
    154
  • 1.9 Check misfiring recognition
    156
Manufacturer's designation 4LV injection and ignition system
Manufacturer Volkswagen
Suitable for Polo (1995 - 2002)
Suitable car types 6N
Engine code AQQ, AUA, AUB
Category Reparaturanleitung

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