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loss of power audi a4 2.5 tdi quattro

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Johnboymason, Apr 3, 2013.

  1. Johnboymason
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    Johnboymason Member

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    [Apr 3, 2013]
    can anyone help me, im losing power on my 51 plate audi 2.5 tdi quattro, just replace water pump, timing chain pullys, thermostat, engine temp cencor, i can be driving along and my foot will be flat to the floor and it just creeps up to 2000 revs, but then 5 mins later the power comes gushing back :s ive checked boost pipes and all seem fine, no faults codes or anythink anyone any ideas please
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  3. RobMorris
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    RobMorris Member

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    [Apr 3, 2013]
    Sounds like limp mode - mine done it a couple of times after I ragged it - but once I turned the ignition off and on it was OK again?
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  4. Johnboymason
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    Johnboymason Member

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    [Apr 3, 2013]
    well when am driving along say in second and a go to put my foot down theres just nothink there and it slowly climbs up the revs, but 5 mins later when ive still be driving the power comes back out of no where :S
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  5. Johnboymason
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    Johnboymason Member

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    [Apr 3, 2013]
    when i put my foot down and change gear it also makes a chatter noise as if pipe off airbox and mass air flow is dissconnected :S
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