Cayman (987) F6-2.9L (2009)
7.1. To do this, connect connection line 17 to the plug-in coupling for the fuel tank.
INFORMATION:
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The battery voltage must not fall below 12.5 volts during the fuel pressure check.
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Connect a battery charger.
8. Activate the Drain tank (= activate fuel pump) function on the PIWIS Tester 9718 by pressing F8 Start.
9. Read off the pressure shown on the pressure gauge. - Fuel pressure - engine not running: 5.0 bar ± 0.3 bar
10. Deactivate the Drain tank function by pressing F8 Stop.
10.1. Then, press F11 << a number of times to get to the start screen and switch off the Tester.
10.2. Switch off ignition.
11. Holding pressure test: - Pressure: 4.0 bar
12. Pull off test connections and remove test pressure gauge.
12.1. Connect plug-in coupling for fuel lines.
12.2. The coupling must lock with an audible click. Pull to check that the connection is secure.
Checking fuel pressure - engine idling
WARNING:
Highly inflammable or explosive materials
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Danger of fire or explosion
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Avoid contact with hot parts or sources of ignition.
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Use suction to remove ignitable vapors.
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Attach warning sign in a clearly visible position.
INFORMATION:
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The battery voltage must not fall below 12.5 volts during the fuel pressure check.
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Connect a battery charger.
1. Remove underbody panelling.
2. Open fuel supply line -1- at the underbody.
2.1. To do this, press the two locking lugs and pull the plug-in coupling apart.