Volkswagen Workshop Service and Repair Manuals > Golf Mk4 > Power unit | Direct injection and glow plug system with distributor pump as of 05.99 | Self diagnosis, V.A.G Inspection Service | Measured value blocks | Evaluating measured value blocks | Display group 000 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)

Display group 004 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C) > < Evaluation: Modulating piston movement sender G149 voltage display (start and stop position stops)

Display group 000 at full throttle (road test in 3rd gear, coolant temperature not below 80 °C)

Note

t	When testing, accelerate the vehicle at full throttle.

t	The measured values must be printed out or read (2nd person required) when the revolutions reach 3000 rpm.

Display group 000 for engine codes AGR, AHF, ALH, ASV (displayed values decimal)

l	Engine speed 2900...3100 rpm

Read measured value block 0

▾ appears on display

▾ display zones

Specification

Corresponds to

Mass of air

255

800…1100 mg/stroke

Fuel temperature

91…201

20…80°C

Intake manifold temperature

182…50

10…100°C

Coolant temperature

80…35

80…110°C

Atmospheric pressure

183…224

910…1110 mbar

Intake manifold pressure

179…215

1850…2250 mbar

Quantity injected

199…214

39.8…42.8 mg/stroke

Accelerator pedal position

255

100 %

Commencement of injection

137…215

8…14° BTDC

Engine speed

138…148

2900…3100 rpm

Display group 000 for engine codes AGP, AQM (displayed values decimal)

l	Engine speed 2900...3100 rpm