CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
3
Checking components
Checking intake manifold change-over ⇒ page 496 .
3.1
Checking fuel pressure sender - G247-
Special tools and workshop
equipment required
♦ Assembly tool - T10118-
♦ Double hexagon socket, 27mm - VAS 5301/7-
3. Checking components
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4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
♦ Pressure sensor tester - VAS 6394/1-
♦ Adapter - VAS 6394/2-
♦ Adapter - VAS 6394/4- (only Tiguan)
♦ Test adapter - VAS 5570-
♦ Torque wrench - V.A.G 1331-
♦ Vehicle diagnostic tester
♦ Vehicles with sound generator: Engine bung set - VAS 6122-
Procedure:
– Remove engine cover panel ⇒ page 141 .
– Remove fuel pressure sender - G247- ⇒ page 486
Vehicles with sound generator:
– Seal charge air duct connection to sound generator with plug
from engine bung set - VAS 6122- and secure plug with a hose
clip.
Continued for all vehicles:
Note
For the Tiguan, use adapter - VAS 6394/4- instead of adapter -
VAS 6394/2- .
– Moisten tapered seal of adapter - VAS 6394/2- with clean en‐
gine oil and screw into fuel rail. Specified torque: 27 Nm.
– Unscrew plug -2- and screw fuel pressure sender - G247- into
tester - VAS 6394/1- . Specified torque: 27 Nm.
– Connect pressure line of tester - VAS 6394/1- to adapter - VAS
6394/2- .
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Rep. gr.24 - Mixture preparation - injection
CC 2010 ➤ , Eos 2006 ➤ , Golf 2004 ➤ , Golf 2009 ➤ , Passat 2006 ➤ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
– Connect fuel pressure sender and electrical connector of fuel
pressure sender with the aid of test adapter - VAS 5570- .
3. Checking components
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4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
– Switch on tester - VAS 6394/1- to do this, press button -A- once
briefly.
Note
♦ When button -A- is pressed for 2 seconds, the illumination will
be switched on for 20 seconds.
♦ If the digital pressure gauge - VAS 6394/1- reading is not 0
bar, perform zero calibration procedure ⇒ operating instruc‐
tions .
– Connect vehicle diagnostic tester to diagnostic connection.
– Switch ignition on.
– Press following buttons on display of diagnostic tester one af‐
ter the other:
Vehicle self-diagnosis
Self-diagnosis ►
01 - Engine electronics ►
011 - Measured values ►
– Select measured value block 1 4 0 and confirm with Q.
The actual fuel pressure value is shown in display zone 3, meas‐
ured by the fuel pressure sender - G247- .
– Start engine.
– Compare the displayed pressure of pressure tester - VAS
6394/1- with the displayed actual value on vehicle diagnostic
tester .
•
A maximum pressure deviation of 5 bar is permissible.
– If the deviation is greater than 5 bar, renew fuel pressure
sender - G247- .
WARNING
The fuel system is pressurised.
Danger of injury caused by fuel spray.
♦ Wear protective goggles.
♦ Wear protective gloves.
♦ To release pressure, wrap a clean cloth around the con‐
nection and carefully loosen the connection.
– Repeat the test with the new fuel pressure sender - G247- and
compare both measured values.
If measured values again fail to correspond:
– Check wiring ⇒ Vehicle diagnostic tester.
3.2
Checking intake manifold change-over
Perform check only if there is a loss of torque. This means when
there is a lack of elasticity or a lack of pulling power.
Special tools and workshop equipment required
496
Rep. gr.24 - Mixture preparation - injection
2024 VW Passat Owner's Manual
VW Passat B7 Service & Repair Manual
VW Passat B6 Service & Repair Manual
