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Engine trouble? s80 2000 2,5d (audi)

  #1  
Old 03-03-2013, 04:48 PM
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Default Engine trouble? s80 2000 2,5d (audi)

Volvo s80 - acceleration problem
Hello, bougt me a Volvo S80 2.5D year 2000 auto- 147000kms and I have the following problem: Practically each time when i give gas starting from about 2500rpm the car seems to accelerate for 1 seconds and then waits about 0,2 seconds, then the car accelerates again for about 1 seconds, and so on...about 500rpm at the time. All the power is available (he still reaches his top speed) but it seems like the engine holds each time a little bit. starting at about 2500rpm.Anybody have an idee what could be the problem or what causes it?
best regard paa
 

Last edited by Palaur; 03-03-2013 at 04:50 PM.
  #2  
Old 03-04-2013, 07:22 AM
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sounds like TCV(turbo control valve) to me. My s80 t6 would do the same thing. Had power and then it would feel like it just dropped down and then a second later, it would go again.
 
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Old 03-04-2013, 09:41 AM
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Thanks for the advice,is the same on a old disel engine? if so I will try to borrow a valve to see if there is any difference ..
 
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Old 03-04-2013, 11:01 AM
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Not really sure what you're asking me, sorry. Are you asking if my TCV is the same as your turbo diesel engine's? I don't know, i'm sorry.
 
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Old 03-06-2013, 09:23 AM
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The valve was not the fault, any good ideas please?
 

Last edited by Palaur; 03-06-2013 at 09:26 AM.
  #6  
Old 03-06-2013, 10:36 AM
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Do you have a check engine light on? Does it feel like a misfire? Does the check engine light blink? Hard to say what it could be without a video or code information.
 
  #7  
Old 03-08-2013, 06:23 PM
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Originally Posted by lor3nzod View Post
Do you have a check engine light on? Does it feel like a misfire? Does the check engine light blink? Hard to say what it could be without a video or code information.
Hi, i have checked and there is no check engine light, no missfire, no faulty codes. Its almost like a surging or drop of turbo boost at every 500rpm over 3000rpm.:
 
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