911 Carrera 4 Cabriolet (997) F6-3.6L (2006)
Fuel Pressure: Testing and Inspection
Checking Quantity Delivered By Fuel Pump
Checking Quantity Delivered By Fuel Pump
Tools
Tools
Preliminary work for quantity delivered by fuel pump
NOTE: The battery voltage must not fall below 12.5 volts during the fuel delivery rate check.
1. Check the battery charge state using a voltmeter or the Porsche PIWIS Tester, for example. The battery voltage must not fall below 12 volts
during the check.
2. Remove rear cover and middle section of the middle cover on the underbody.
Checking quantity delivered by fuel pump
NOTE: The battery voltage must not fall below 12.5 volts during the fuel delivery rate check.
DANGER:
Risk of fire from escaping fuel.
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Danger of fatal injury and damage to property.
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Observe basic safety instructions when working on the fuel system.
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Secure working area.
1. Attach or mount a warning sign in a clearly visible position on the vehicle.
2. Reduce fuel pump supply pressure. To do this, remove the cover of the fuse carrier in the left footwell and take out the fuse for the fuel pump -
level D, fuse F1 (1st from left) -. Then start the engine for several seconds. This procedure does not cause an entry to be made in the fault memory.
Insert the fuse again and replace the cover.
3. Connect the Porsche PIWIS Tester PIWIS Tester 9718 to the input socket in the vehicle using the adapter lead, switch on the ignition and switch
off all loads, such as the radio and air conditioning. Switch on the Tester and select the vehicle (option: Diagnostics).