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Po234 code turbo over boost - 2005 Audi A3

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POSSIBLE CAUSE SHAFT BEARING OF CHARGE PRESSURE REGULATOR VALVE IN TURBOCHARGER BLOCKED.

Posted on Aug 24, 2010

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Fault codes P0236 and P0046 keep coming up on my freelander1 td4 2004


P0236 = Possible causes are

1. Boost pressure sensor harness is open or shorted
2. Boost pressure sensor circuit poor electrical connection
3. Faulty boost pressure sensor
4. Faulty Turbo/Super Charger
5. Engine over temperature
6. Ignition misfire exceeds the threshold
7. Faulty Knock sensor (KS)

P0046 = Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance

.... based on this information I would replace the turbo boost control solenoid first.

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What is po234 dtc 2002 volvo s80 2.9 turbo?


Turbo overboost. Erase and go easier on gas pedal. It happens on my '02 t6 from time to time.

Jun 28, 2014 | 2002 Volvo S80

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Low turbo boost


i'd belooking for a raeson that has low boost i.e leak in the system ,split hose ,sensor problem.get obd codes read first then see if any are relevant to the turbo

Apr 03, 2014 | 2003 Ford Mondeo

1 Answer

Turbo overboost po234. how to correct?


p0234 is engine over boost condition. According to Volvo P0234 is a turbo control valve. Maybe a wiring issue?
Did you do a hard reset after clearing the code? hope this helps!

Feb 09, 2011 | 2001 Volvo V70

1 Answer

I have a 2002 vw jetta tdi diesel, the engine lite keeps coming on usually on a hill, but not always. sometimes it goes ou. i hooked up a code reader and code po234, overboost came up. what do I need to...


Boost is controlled by the N75 solenoid with vac' hoses to the vane controller built into the turbo.

When light comes on it indicates too much boost and will reduce fuel delivery to reduce power.
A '' key off/key on'' cycle will reset it if you on the road.

When an over boost occurs it is best to first change the N75 Solenoid Valve and or check the hoses from and to it for displacement or splits.

Before removing the valve, make a note of where the hoses fit.

Common component failure.

Jan 17, 2011 | 2002 Volkswagen Jetta TDI

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I HAVE A 2007 DODGE SPRINTER WITH CODE PO299 WHAT TEST CAN I DO


Check all hoses to and from turbo to intake .. it is most likely a leak somewhere and the pcm is reading it as a underboost code.

Jul 28, 2010 | 2004 Dodge Sprinter

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I have the following fault codes reading


P0216 - injector timing control circuit

P0234 - turbo / supercharger over boost condition

P0523 - engine oil pressure sensor / switch circuit high inout.

Jan 22, 2010 | 1998 Dodge Ram 3500 2WD

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What does the code P1247 mean? For a Ford f250 2002


The trouble code definition I am finding for the Ford OBD-II System is:

P1247--Turbo Boost Pressure

Oct 07, 2009 | 2002 Ford F250 Super Duty SuperCab

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Code po234 overboost condition 2002 jetta tdi


Don't know much about VW but if it's fine, and it doesn't happen again I wouldn't worry about it. If it does try resetting the ECU by removing the battery terminals and touching the positive lead(red wire) to the negative battery post. It might spark a little, this is just the capacitors discharging, resetting your ECU and starting over. It's like restarting your personal computer

Mar 21, 2009 | 2002 Volkswagen Jetta TDI

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