Porsche 928 Workshop Manual page 354

!I 28
Air Flow Conrrolled Fuel Injection
24
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REMOVING AND INSTALLING PRESSURE
REGLILATOR
1. Disconnect ground wire ar battery.
2. Take off air cleaner assembly.
3. Pull off vacwm hose and disconnect fuel lines.
making sure to counterhold.
Catch escaping fuel.
REMOVING AND INSTALLlNG INTAKE
AIR SENSOR
Removing
1. Remove air cleaner upper section and air filter
cartridge.
2. Disconnecr carbon canister hose and unscrew
captive bolts. Pull off multiple pin plug and
remove lower section with intake air sensor.
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3. unscrew bolts on intake funnel and rake intake
air sensor and gasket off of air cleaner lower
section.
Installing
Check seal in air sensor housing and make sure of
conect fit.
Printed inGermany _ 1". 1980
Removing and Insralling Pressure Regulator
Removing and Installing Intake Air Sensor
24 - '1