Checking Delivery Rate
WARNING: This page is about a different car, the 2024 Porsche 911, 2023 Porsche 911, and 2022 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Highly inflammable or explosive materials
- Danger of fire or explosion
→ Avoid contact with hot parts or sources of ignition.
→ Use suction to remove ignitable vapors.
→ Attach warning sign in a clearly visible position.
→ Contain leaked media using non-flammable absorbent material and put it in a container designed for this purpose for disposal in accordance with local requirements.
→ Secure collection containers/vessels to prevent them from tipping over.
Information
- The battery voltage must not fall below 12.5 volts during the delivery rate/pressure check.
Information
- There is no need to create a Vehicle Analysis Log (VAL).
- Disconnect fuel supply line -2 and 3-
from connection point in engine compartment -1-
.
- 1.1 Unclip low-pressure fuel line (rear section) -3- .
- 1.2 Carefully open the locking clip using a small slotted screwdriver and unclip line by pulling it downwards.
- 1.3 Carefully pull red fuse -Arrow-
at the plug-in coupling down as far as the locking point using a suitable slotted screwdriver.
Make sure the plug-in coupling is not damaged while doing this.
- 1.4 Disconnect fuel supply line -2 and 3- .
- 1.5 Collect escaping fuel and close off the front section of the fuel supply line using a suitable stopper.
Fuel low-pressure line plug-in coupling connection
- Prepare for the test.
9705 (measuring adapter shown as an example)
- 2.1 Provide a suitable fuel-resistant container and secure to prevent it from falling over.
- 2.2 9705 - Connect the measuring adapter-1- to the quick connector on the rear section of the fuel supply line and check that it is fitted securely.
- 2.3 Place drain hose into the container provided.
- Check fuel delivery rate.
- 3.1 Connect the PIWIS Tester to the vehicle and switch on the PIWIS Tester .
- 3.2 Switch on the ignition.
- 3.3 Start diagnostics.
- 3.4 Select DME control unit.
- 3.5 Select the Drive links/checks tab.
- 3.6 Select the Drain tank menu item and press F12 to continue.
- 3.7 Press F8=Start and the stopwatch at the same time to start the drain tank function .
- 3.8 Wait 30 seconds and then press F8=Start to stop the drain tank function .
- Switch off ignition, switch off the PIWIS Tester and disconnect adapter line in the vehicle.
- Pour the collected fuel into the measuring cup and evaluate.
- 5.1 > Volume 2200 cm 3
- > 9705 - Remove measuring adapter and collect escaping fuel.
- Connect fuel supply line -2 and 3-
to connection point in engine compartment -1-
.
- 7.1 Connect fuel supply line -2 and 3- .
- 7.2 Carefully lock the locking clip on the plug-in coupling using a small slotted screwdriver.
Fuel low-pressure line plug-in coupling connection