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Turbo Problem??

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  #1  
Old 11-02-2006, 07:13 PM
Johns2000A4Q's Avatar
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Default Turbo Problem??

a 2000 a4 1.8t quattro. Hit the gas and nothing! Error codes are #17965 Turbo Pressure Control (control limit exceeded) and 17963 Max Boost Pressure Exceeded
I bought a new soleniod, by pass valve and a new cut off valve and new hose. Is the wastegate staying closed or open?? Any good DIY pages with the hook-ups of the hoses? It has 68k on it.
Need help!! Alittle guidance and I can fix this, I hope. thnaks John a new A4 owner.
 
  #2  
Old 11-02-2006, 07:23 PM
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Default RE: Turbo Problem??

I don't know the codes, but it sounds like you are over boosting and going into limp mode. I would check your n75 valve to make sure it is connected right, and test that it has 25-35 ohms across the pins. Also check your boost pressure sensor.
 
  #3  
Old 11-02-2006, 07:57 PM
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Default RE: Turbo Problem??

the n75, is the solenoid?And The boost pressure sensor? Location? Sorry, I'm new to audi and just ordered the bentley, yesterday. Yes, I am overboosting and going into limp mode, I agree.
The parts I ordered are: 058-906-283 F Solenoid valve( sits in the middle of the boot with a hose to the wastegate and a hose to the turbo), 06a-145-710 cut off valve( underneath w/ the hose to the intake), 034-129-101 b the round spring loaded - pressure regulator overrun cut off valve, is 1st on the boot twards the air box. I bought the car, knowing 2 pcs were broken off.
 
  #4  
Old 11-02-2006, 08:01 PM
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Default RE: Turbo Problem??

well the one ending in 710 probably isnt the problem I can tell you that for sure Id go to the dealer and ask for a 034 906 283 H thats the Boost controller but the better version
 
  #5  
Old 11-02-2006, 08:25 PM
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Default RE: Turbo Problem??

The metal one? They have it. the performance version, ok. It's $110. I found a diagram to locate the others. thanks John
 
  #6  
Old 11-02-2006, 08:50 PM
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Default RE: Turbo Problem??

the N75 is plastic but its holds boost better and smoothes it out, the 710 however can be gotten in metal and around 110 but i dont think thats your problem
 
  #7  
Old 11-02-2006, 09:12 PM
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Default RE: Turbo Problem??

Boost pressure sensor part number??
 
  #8  
Old 11-02-2006, 10:14 PM
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Default RE: Turbo/ found split hose??

could the hose to the suction pump for engine vacuum system to intake( L shaped cause the problem?? 058 133 753 B is the suction pump part number. It was split about 3". the hose part number is 058-133-783 L.
 
  #9  
Old 11-03-2006, 12:37 PM
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Default RE: Waste gate

What should I look for on the wastegate? To determine if it's solid and working? thanks
 
  #10  
Old 11-03-2006, 12:46 PM
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Default RE: Waste gate

dude the L hose is def. your problem! switch it out in order to get your boost back.
 


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