Fuel supply, control 911 Carrera (996) · Checking fuel pressure

Fuel supply, control 911 Carrera (996) Checking fuel pressure Test 1. Undo covering cap on test connection of fuel collection pipe and remove (width across flats 13 mm). 2. Connectpressure gauge (special tool P 378a) with connecting line (special tool 9559) and connect to test connection. 366.96 4. Nominal test values: Stationary engine 3.8 :t 0.2 bar Engine idling 3.3 :t 0.2 bar 393.97 Note The seal or sealing ring in the brass closure cap 3. Actuate fuel pump, either is not exchangeable.It must therefore be used only once. with Porsche System Tester 2: The fuel pump can be actuated with the Tighteningtorque of the new brass closure cap Porsche System Tester 2 or by bridging the 2.5 :f: 0,5 Nm. (2.0 :f: 0.5 ftlb.). fuel-pumprelay. or via the fuel-pump relay without Tester: Disconnectfuel-pump relay from the central electrical board and bridge contacts 30 and 87 (identified as 3 and 5 on the central elec- trical board) with a fused shop-madecable. The fuel pump must now operate or deliver fuel. 20 -2 20 02 01 Checking fuel pressure 996201 Printed in Germany, 1997