Cayman (987) F6-2.9L (2009)
Fuel Pressure: Testing and Inspection
Checking Delivery Rate of Electric Fuel Pump
Checking Delivery Rate Of Electric Fuel Pump
Tools
Technical values
Preliminary work
INFORMATION: 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 PIWIS Tester 9718.
1.1. Connect a battery charger.
2. Attach or mount a warning sign in a clearly visible position on the vehicle.
3. Reduce fuel pump supply pressure. This procedure does not cause an entry to be made in the fault memory.