Question about Audi Cars & Trucks
Audi Q7 3.0 v6 tdi with P0299 Problem I changed ,Manifolds with actuators & also turbo but still the same. Can anyone help please.
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Posted on Jan 02, 2017
SOURCE: turbo over boost on audi
I can help you to fix this problem. "Fault code: P1557 - Turbo Boost pressure control exceeded"
But I need some info from your engine:
- what type of engine do you have (engine code: ex.ALH, AJM, AWX, ...) or power in kW (PS)
- how many km (miles) are your car?
My e-mail adress is: TDISLine@yahoo.com
Posted on Nov 14, 2008
You have to pull the code to know what's wrong, do you have any drive ability problems?how different is the car driving after the light come on?
Posted on Dec 22, 2008
i can walk u through doing a t belt. But if u are not sure if u are able to do it DO NOT DO IT cause if u are wrong if cause a lot of engine damage.
Posted on May 11, 2009
If somebody replaced the turbocharger with a new one, you must check up all command vacuum lines, the entire air intake system (air pressure pipes, intercooler, connections, EGR - throttle vane, ...), and also turbocharger and EGR command solenoid valves (three pieces). Could be also MAF sensor defective!
Here you have the vacuum air pipes connection picture for Audi A4 1.9 TDI (AJM engine):
Please Rate my Response! Thanks!
Posted on Sep 02, 2009
i also have done a diagnostic test and it states a turbo overboost condition and it drives fine locally but loses power on the motorway and struggles to reach 80mph? any suggestions please email me at firstname.lastname@example.org
Posted on Sep 14, 2009
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