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Audi A4 2005 1.9 PD Engine Low Compression and not starting

May 8, 2018, 5:52 am
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Hi Guys,

I've been having trouble with my car for a while with a non starting issue. First it would struggle to start and now it won't start at all. I finally got around to performing a compression test and here are the results:

Cylinder 1) 260 PSI
Cylinder 2) over 300PSI (my compression tester only goes up to 300PSI)
Cylinder 3) 225 PSI
Cylinder 4) 250 PSI

I have performed this test several times with these same readings

Does anyone have any thoughts on what may be causing it based on...

Audi A4 2005 1.9 PD Engine Low Compression and not starting
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2.0 TDI PD Crankcase questions

July 18, 2017, 1:19 am
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Hi, im new to this forum and have some questions regarding crankcase pressures in my BPW engine.

Please dont talk about replacing the turbo and injectors, no issues there.
I over time i have positive pressure building up in my engines CCV system.
I removed the oil filler-cap with engine off and that relieved some amount of pressure.
I tested the CCV vent by pressurizing the crankcase through the line going to N75 valve and that verified my concern.
This causes blowby issues to my turbo,...

2.0 TDI PD Crankcase questions
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Audi A6 C5 Avant Headliner Swap

May 12, 2018, 4:27 am
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Greetings Everybody!

I hope somebody can help with my problem.
I have purchased an Avant headliner set, including all the pillar trims. Problem is that it's from a car with curtain airbags, but my car is pre-face with side airbags. Therefore at some points it doesn't fit (some mounting holes, plastic parts).
My question: is it still possible to mount the stuff by any ways? Did anybody do it?
Some modification would be no problem for me if it needs any.

Thank you for your answers in...

Audi A6 C5 Avant Headliner Swap
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Audi A4 B5 Avant 1.9 (AFN) 1997 RHD - Front passenger footwell leak

May 27, 2018, 5:08 pm
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Hi everyone

I've been lurking for a while, but this is my first request for help...
I have a front passenger footwell leak in heavy rain. It's definitely rainwater, not coolant.

You can put a hose onto and around the cabin filter housing all day long and there's no leak inside. It starts dripping in once you move the hose about 1/3 of the way up the edge of the windscreen where it meets the A-pillar (passenger side obviously).

With the glovebox out, you can see where it is coming...

Audi A4 B5 Avant 1.9 (AFN) 1997 RHD - Front passenger footwell leak
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Audi A4 B8 2.0 TDI CAGA intermittent starting problem

June 8, 2018, 4:56 pm
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Hello everyone!
About 10 months ago my parents bought me a 2009 A4. It was all good no major problems until we noticed that it has an intermittent starting problem. So let me explain, in the winter when it was cold outside, around -1 degrees celsius, the car started in the morning with no problems at all. I drove to school and when I finished my classes around 4-5 hours later, the car just wouldn't start. The engine always keeps turning but not firing, until I try like three times, then it...

Audi A4 B8 2.0 TDI CAGA intermittent starting problem
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Low MAF readings

June 21, 2018, 2:56 pm
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Hello.
I am having a problem with my Audi A3 1.9 TDi 96 kW.
I have K&N air filter and a free-flowing exhaust. My car is re-maped too.
The problem is in low MAF readings. I can not achieve a 850+ reading. It achieves only for a second 870 and drops to 780-820.
I dynoed my car and it shows only 149 HP.
I bought a new MAF sensor and also tried set of others also from a 2.0 TDi and the problem is same.
The car is achieving requested boost but no airflow.
I have no CAT so there is nothing to be...

Low MAF readings
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Audi A4 B7 TDi fault code

September 12, 2017, 12:09 pm
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this time last year the dreaded 2.0 TDi balance shaft fault hit my car, ouch, it also took out the turbo...so a new one was obtained and fitted by the garage, however since that dat i have noticed more turbo lag than before and now i get the car going into limp home mode with flashing `glow plug` sysmbol on the dash...

a friend read the codes last week and this is what we found:

scaN/MAKE/EUROPE/audi/ Systems ,
Control Unit, 01-Engine, Read Codes.
Read Codes
00665 Turbo/Super...

Audi A4 B7 TDi fault code
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Audi A6 2.0TDI S-tronic (190PS) turbine problem

October 10, 2017, 1:42 am
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Hello

Im writing from Slovenia (sorry for the language). I have an 2015 Audi A6 Avant 2.0TDI S-tronic (190PS). I have a problem with flashing glow plug light and power loss. My local dealer changed some valve by turbine, all the cables from computer to turbine, all the pipes for vacuum (it didnt leak but they changed it anyway), uploaded some new settings and i still have the same problem. The turbine was changed under warranty 10 000km back (at 120 000, now it has 130 000) because of the...

Audi A6 2.0TDI S-tronic (190PS) turbine problem
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oil pump drive shaft gone

October 19, 2017, 12:23 am
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hi all,

audi a4 b8 2008 2.0 tdi 143hp caga engine

137k miles, castrol edge only, well driven and well maintained

2 days ago, I got the low oil pressure light on dashboard. I was on a busy road, hence I drove for another 2 miles/5 minutes before shutting the engine off. I then called green flag, who took me home. it turns out the oil pump module on this engine is crap, as audi thought it was wise to connect some of the most vital parts of the engine with the crappiest quality metal out...

oil pump drive shaft gone
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B6 tdi audi 2004 smokes

November 18, 2017, 10:23 am
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When starting my Audi a4 b6 1.9 tdi 2004 awx ,there is white smoke coming out on exhaust and when driving i noticef that the car has lost power.Did the vag com and found the error code :18080 coolant fan control 1 open circuit / short with ground p1672 intermittent, please help how to fix this problem,I even replaced the temp sensor but still problem did stop
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Engine fan running

November 18, 2017, 11:12 am
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I am not quite clear about why the engine fan comes on even though it's winter now and alot of the times I don't drive all that much that it would get overheated and cause the fan to come on.
The wife just came back from shopping at no further than 15 miles and it was snowing outside and as soon as she parked the car in the garage the fan came on.
Also there is an ordor of some sort - almost rubber or electrical type.
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what could this be? slow acceleration, no uuumph, no other symptoms

December 27, 2017, 5:32 pm
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audi a4 b8 2008 2.0tdi caga (143hp)

alright, I just got another issue with my car... things never seem to end, I'm starting to consider another car. a brand that's not rubbish after 8 years...

anyway, car drives super smooth (almost like a brand new one), fuel consumption is very good, no vibrations or noises. however, it seems like I'm driving an engine without a turbo. no engine malfunction light (will scan with VCDS later on today) but my acceleration is very sluggish. everything is...

what could this be? slow acceleration, no uuumph, no other symptoms
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Audi A3 2008 slow to start

January 15, 2018, 12:25 pm
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Hi all after puting a new cylinder head on my A3 1.9 pd it is slow to start. it runs perfect when it is started.
Do you think the camshaft pulley could do with being adjusted or would an air lock give me this problem. It used to start instantly before I changed the head. Now it take about four or five seconds to burst in to life
Any advice would be appreciated. Ed
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Audi A6 (C6) 2007 - 2.0TDI - 6 SPD Man - BRE Eng Code - Overboosting Condition / Limp Mode

January 26, 2018, 6:14 am
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Hello to all

I am trying to diagnose the likely candidate for the root cause of an overboost fault code that I'm picking up with VCDS.

The car has had some throttle / running issues for the last month or two, which has resulted in a permanent limp mode, dodgy throttling (affected pullaway from standstill really badly) and the general inability to actually drive the car (it broke down on a short, steep hill, where it ran out of puff and couldn't even make it up in first gear).

My friend...

Audi A6 (C6) 2007 - 2.0TDI - 6 SPD Man - BRE Eng Code - Overboosting Condition / Limp Mode
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Oil leak 1.9 tdi AVF please help

February 27, 2018, 12:20 pm
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Hallo.
Sorry about the language. I am from Denmark, no qualified help to get on Danish forums.

Car- Audi A4 Avant. 2003 1.9 tdi 130 hp. AVF

I have a oil leak. And it's driving me crazy.

Just changed the valve cover gasket. And cable loom.

I thought I maybe came from a bad head gasket. But no.

It comes out on the bottoms bolt on the exhaust manifold. I off cause cleaned it very good.
Then I drive a few miles and I can see it on the bolt.
What can it be??

I am 100 % sure its not from...

Oil leak 1.9 tdi AVF please help
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Rent tool

March 2, 2018, 5:29 pm
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Hello i need rent the tool to replace the timing belt 2006 jetta tdi, i am in san antonio tx
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Please help me with my Audi

March 4, 2018, 11:48 pm
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Hello! Something happened with my Audi. The engine began to run unevenly, appeared to vibrate, and the oil consumption increased. Has anyone encountered this problem? What is the reason?
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BLB low oil pressure warning and ticking from engine!

March 14, 2018, 3:41 pm
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Hi every one,

I’ve recently acquired a 2005 A6 with a 2.0 tdi BLB showing low oil pressure on the dash and a ticking noise coming from the engine whilst running. Apparently the warning came up and it ground to a halt in the space of about a mile. I’ve stripped the chain drive and balance shaft assembly off and sure enough the oil pump drive has pretty much rounded off, I’m just curious as to people’s experiences of damage done to the engine when the drive fails. I’m yet to remove any of...

BLB low oil pressure warning and ticking from engine!
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BRE missfire HELP pls

April 7, 2018, 1:19 pm
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Hello everyone ,I have a 2.0 TDI Audi A6 with the BRE engine which I bought with low oil pressure ,I have fitted pump delete and engine runs great quiet smooth and powerful ,however, if I drive steady at just over 2000 rpm orhold revs above 2000 rpm I get a judder which is a missfire,if it was a petrol I would check plugs etc that's how it feels anyway when plugged in I get either implausible signed to pd uni 2 and 3 or of unit 2 and 3 range exceeded if I turn key on and off it resets and...

BRE missfire HELP pls
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Turbo model for a 1987 Audi Turbo Diesel.

April 20, 2018, 5:17 pm
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Any one know the model and source for a turbo for this engine, is it a T3 or T4? My background with diesels is with Detroit Diesels, this is a toy for me. Thanks ATDHD=Audi Turbo Diesel Harley Davidson.
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