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Discussion Starter #1
Hi,

New to the forum. I have a 2000 2.5TDi Allroad tiptronic. Under normal driving everything is fine, however when the car is pushed (say to around 4000 rpm) & held then I get an intermittent loss of power/revs & no kick down. If I knock the tranmission into manual mode then things are ok. If I let the car reduce speed greatly or stop & start off again then chances are the problem will be ok. The power loss does not happen everytime I push the car. There is no fault light coming on.

Any guidance or views would be very much appreciated.

Kind regards, Tim Morris
 

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Discussion Starter #3
Thanks for the tip. We removed the battery a week ago, however the problem has happend once since then. I guess there is a chance that old info (pre battery removal) would be lost ? if yes, should I make the car do the fault a few times more before getting the ECU scanned ?
 

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Discussion Starter #6
Hi,

My garage has told me that after scanning the car the only fault code (they can't remember the code number) was for the MAP sensor, which they say is the "manifold absolute pressure sensor". What they can't tell is if the fault was indentified by the sensor (i.e. something else causing it) or faulty sensor itself ?

Could this be the reason for the intermitent power loss (which only happens when I ask the car to accelerate reasonably hard) ?

Any feedback would be much appreciated.

Tim
 

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Discussion Starter #8
Hi, there may be an end to the problem as my garage have diagnosed the power loss in more detail this morning & have come up with a faulty EGR valve, so if the warranty company agree I'll get it changed ASAP.
 
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