Leon Mk2
Checking components
Checking fuel pressure regulator and holding pressure
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→ Connections on fuel rail The following pipes/hoses are connected to the fuel rail:
Warning!
The fuel supply pipe -1- and the pipe from activated charcoal filter -3- must not be interchanged. Danger of damaging engine! Test sequence |
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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If the specification is not obtained:
=> Rep. Gr. 20; Removing and installing parts of fuel system; checking fuel pump If the specification is attained:
If the holding pressure drops below 2 bar: |
If the pressure does not drop:
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=> Rep. Gr. 20; Removing and installing parts of fuel system; checking fuel pump If the pressure drops again:
If the pressure does not drop:
If the pressure drops again:
Note: Before removing pressure gauge place a cloth around the connections to be loosened. |