Passat Sedan V6-2792cc 2.8L DOHC (AAA) SFI (1997)
Fuel Pressure: Testing and Inspection
Fuel Pressure Regulator and Residual Pressure, Checking:
The fuel pressure regulator controls the fuel pressure relative to Manifold Absolute Pressure.
Special tools, testers and auxiliary items:
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VAG 1318 pressure tester.
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VAG 1318/10 adapter.
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VAG 1318/11 adapter.
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VAG 1318/16 adapter.
Test conditions:
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Fuel pump delivery rate OK.
Test sequence:
Note:To prevent fuel spray when loosening hose connections, wrap a cloth around the connection.
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Remove fuel rail plug -1- from fuel rail and connect pressure gauge VAG 1318 with adapter VAG 1318/10 and hose VAG 1318/1 to fuel rail. the
shut-off lever on the pressure gauge must be closed (lever -arrow- at right angles to direction of flow)
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Start engine and let idle.
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Check fuel pressure.
Specification: Approx. 2.5 bar (36 psi).