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Slight ticking from engine S4 B5

Discussion in 'A4/S4 forum(B5 Chassis)' started by adidasandy, Mar 26, 2012.

  1. adidasandy
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    adidasandy Member

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    It sounds like the exhaust have a slight leak but I don't think it's that. Seems to be coming from the drivers side middle of the cam. The fuel pressure regulator is ticking away s oI woder if it is that but it's hard to listen for anything else when all I can hear is the FPR. Are they generally noisey or just when they're failing?

    Andy
    #1
  2. aragorn
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    aragorn "Stick a V8 in it!" Staff Member Moderator

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    Injectors generally tick, but you only typically notice them when your listening closely at the engine.
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  3. murran
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    murran Active Member

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    solenoid for the charcoal filter on the fuel tank breather system? these tick when in normal operation.
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  4. Jason.s
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    Jason.s Active Member

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    Especially if the plastic on said valve cracks or snaps off.
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  5. AudiiduA
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    AudiiduA Member

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    Fuel pressure reg!!
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