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2009 audi a4 2.0 code p0299 - 2001 Volkswagen Jetta TDI

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Audi Q7 is showing P0299 eror code what is the problem and how can I solve it?


Faulty wastegate bypass regulator valve
Probable cause:
1. Mechanical damage at turbo/super charger
2. Faulty charge Air pressure sensor

Jul 21, 2017 | Audi Cars & Trucks

1 Answer

What is code , po299' on mitsubish shogun 2008


the following answer is courtsey of OBD-CODES.com OBD Codes Your OBD-II Trouble Codes Repair Site Home Trouble Codes FAQs Forums Store P0299 Turbo / Supercharger Underboost OBD-II Trouble Code Technical Description Turbocharger/Supercharger "A" Underboost Condition What does that mean? The P0299 DTC code refers to a condition where the PCM/ECM (powertrain/engine control module) has detected that the bank "A" or single turbocharger or supercharger is not providing a normal amount of boost. That could be due to a variety of reasons, which we detail below. On a normally operating turbocharged or supercharged engine the air going into the engine is pressurized and that's part of what makes so much power for an engine of it's size. If this code is set, you will likely notice reduced power output. In the case of Ford vehicles, this may apply: "The PCM checks for a minimum throttle intake pressure (TIP) PID reading during engine operation, which indicates an underboost condition. This DTC sets when the PCM detects that the actual throttle intake pressure is less than the desired throttle intake pressure by 4 psi or more for 5 seconds." Symptoms Symptoms of a P0299 DTC may include: MIL (Malfunction indicator lamp) illumination Reduced power output from engine, possibly in a limp mode Unusual sounds from the engine/turbo There would likely be no other symptoms. Potential Causes Potential causes of a P0299 turbo underboost code include: Intake (induction) air restriction or leak Failed or damaged turbocharger (sticking, binding, etc.) Faulty boost/charge pressure sensor Faulty wastegate bypass regulator valve (VW) Low fuel pressure condition (Isuzu) Sticking turbo nozzle control solenoid (Isuzu) Faulty injector control pressure (ICP) sensor (Ford) Low oil pressure (Ford) EGR system fault (Ford) Variable geometry turbocharger (VGT) actuator (Ford) VGT vanes sticking (Ford) Possible Solutions First off, you'll want to repair any other DTC codes if present prior to diagnosing this code. Start with a visual inspection. Inspect the intake air system for cracks, loose or disconnected hoses, restrictions, blockages, etc. Repair or replace as required. If the air induction system tests OK, then you'll want to focus your diagnosis efforts on the charge pressure control, diverter valve (blowoff valve), sensors, regulators, etc. Really at this point you'll want to refer to a vehicle specific detailed repair manual for specific troubleshooting steps. There are some known issues on certain makes and engines so also check out our car repair forums here and search using your keywords. For example, if you search around, you'll find that a common fix for a P0299 in VWs is to replace or repair the diverter valve or wastegate solenoid. On the GM Duramax diesel, this code may mean the turbo housing resonator has failed. If you have a Ford, you'll want to next check the wastegate regulating valve solenoid for correct operation

Read more at: http://www.obd-codes.com/p0299
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Aug 02, 2015 | Cars & Trucks

1 Answer

What could cause a P0699 and P0299 sensor ?


call and ask the dealer about the codes or go to autozone they check the codes for free.

May 26, 2014 | 2013 Hyundai Tucson

1 Answer

Audi epc light


What ,year audi and model? EPC LIGHT PO299. let me see if i can find out with out year and model.
okay, if your car has turbo then this is correct, po299 low boost.
this may be caused by a bad diverter valve on the turbo, if you remove it and look ay diaphram for any cracks or splits in rubber, if it is then replace it ,check for an update valve at dealer.
there are other thing that can cause this code but start with that. a loose hose for the turbo can cause this code or bad turbo or clogged converter, or oil sulge problem.

Jun 29, 2013 | Cars & Trucks

1 Answer

VW Passat 08 plate Fault Coad P0299 and P2196


What seems to be the problem with the car, other than the codes?

Nov 24, 2012 | 2008 Volkswagen Passat Sedan

1 Answer

VW P0299 engine code


P0299 VOLKSWAGEN - Turbocharger Engine Underboost
Possible causes- Faulty Wastegate Bypass Regulator Valve
- Mechanical damage at Turbo/Super Charger
- Faulty Charge Air Pressure Sensor

Oct 15, 2012 | Cars & Trucks

1 Answer

Codes P0101 and P0299. No power off idle and heavy "light" colored smoke. MAF "looks" okay, air filter okay, wire harness at alternator checks okay. No visible air leaks. Turbo suspect,...


P0101 Mass or Volume Air Flow Circ Range/Performance 16485
TSB Number: 3068 NHTSA Number: 10009606 TSB Date: n/a Date Added to File: October 8, 2004 Failing Component:Engine And Engine Cooling:Engine:Gasoline:Turbo-Charger Summary:Oil seepage from turbo air charge cooler hoses or hose blowing off during acceleration. Possible diagnostic trouble code P0299. Updated 04-24-07.there you go good luck

Dec 22, 2010 | 2005 Chevrolet Silverado 2500HD 2WD

2 Answers

Code p0299 on 06 jetta


check with vw theres a technical service bulletin issued in dec o7 number 0107-70 its for code P0299 on 2006--- 2.0L turbo vw engines

Jan 21, 2010 | 2006 Volkswagen Jetta

1 Answer

2006 Audi A4 - I have an ECU code P0299 -002 lower limit exceeded


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?

Dec 22, 2008 | 2005 Audi A3

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