Suction Jet Pump

Suction Jet Pump With Distributor Connector, Checking - Vehicles With 6-Cylinder Naturally Aspirated Engine

Special tools, test equipment and auxiliary items







- VAG1318 with VAG1318/10 and VAG1318/11







- Remote control VAG1348/3A with adapter cable VAG1348/3-2

Requirements for test:
- Battery voltage not less than 12 V
- Fuse No. 28 OK
- Fuel filter OK

Test sequence
- Open cover for fuse panel on driver's side under instrument panel.
- Remove fuse 28 from relay panel (left-row, fifth large fuse from top).







- Connect VAG1348/3A remote switch with VAG1348/32 adapter cable to cavity for fuse 28 -arrow-.
- Connect test probe to Battery Positive Voltage (B+).
- Remove fuel filler cap from fuel filler cap.







- Engine cover -arrow-.

WARNING:
- Fire Hazard. Do not smoke, work near heaters or have anything in the area that could ignite the fuel or fumes.
- Fuel supply lines are under pressure. Before loosening any lines, cover the connection with a rag. Release the pressure by slowly separating the connection.







- Remove fuel return hose from fuel rail.







- Connect pressure gauge V.A.G 1318 using adapters V.A.G 1318/10 and 1318/11 and extension hose -1- between fuel rail pipe and return hose -2-.
- Press remote control switch for several seconds and watch reading on pressure gauge.
- Specification: 0.8 ... 1.3 bar

If specification not attained or exceeded:
- Replace suction jet pump and distributor connector