Beetle L4-1781cc 1.8L Turbo (APH) (1999)
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Pull off supply pipe/hose -1- and collect leaking fuel with a cloth.
WARNING! Fuel system is under pressure! Before opening the system place a cloth around the connection. Then release pressure by carefully
loosening the connection.
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Connect pressure gauge V.A.G 1318 to fuel supply pipe/hose and to hose to fuel rail using adapters 1318/9 and 1318/17.
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Open measured device cut-off tap. (The handle points in through-flow direction - arrow-).
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Start the engine and run at idle speed.
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Measure fuel pressure.
Specification: Approx. 2.5 bar
If the specification is obtained: