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

Checking the injectors (VW Polo 3)

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  • Polo
  • Polo 3
  • Power unit
  • Diesel engines 1.9 D and TD
  • Checking the injectors
            0


The injectors are tested on a stand (Fig. 7.48). At the moment of fuel spraying, check the opening pressure.

The injectors are tested on a stand (Fig. 7.48). At the moment of fuel spraying, check the opening…


AGP, AGR, AQM, AYQ engines



Specification value:
  • new nozzle - 190-200 bar,
  • permissible wear - 170 bar.

ALH, ASV engines


Specification value:
  • new nozzle - 220-230 bar,
  • permissible wear - 200 bar.

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
Removal and installation of fuel injection pump
Reading a block of measured values
Clearing fault memory
Querying fault memory
Connecting the VAG 1551 fault code reader
Self-diagnosis of the injection system
Next articles
Checking the crankshaft speed sensor
Checking the coolant temperature sensor
Checking the fuel temperature sensor
Checking the injector needle displacement sensor
Checking the air flow meter
Checking the intake manifold switching valve


Similar articles from other manuals for VW cars:
Removal and installation / checking of Digifant/Simos valve… Passat B3 (1988-1993)
Checking a car parked on the ground Golf 1 (1974-1984, petrol)
Checking injectors (petrol engine) Touareg 1 (2002-2006)
Checking the operation of the intake manifold flap Tiguan 1 (2007-2015)
Checking the engine oil level and replacing it Sharan 1 (1995-2000)
Windshield Washer Water Pump — Checking and Replacing Transporter T4 (1990-2003)
Checking injectors LT 2D (1996-2003)
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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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