Question about 2007 Audi A3

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Audi a3 1.9 tdi alarm keeps going off

The alarm keeps going off every 15 mins, it's not the normal loud alrm more a warning alarm.

There was a problem earlier in the day where the dash kept saying the boot was open but it was'nt.

help, neighbours getting upset

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This sounds like a faulty 'boot' switch. Many of the older models had issues with picky switches

Posted on Dec 18, 2008

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Hello everyone having similar sort of issues , any help would be much appreciated ,, trouble with my 04 plate a3 2.0 tdi , the car loses power in first and second makes a lot of noise but doesn't really go anywhere but if ease completely off and back on again the turbo kicks in properly it also won't go over 4000 rpm unless I go off and on the throttle any help would be greatly appreciated also I took the vacuum resivour pipe off whilst checking a few things and it cured it until I was cruising down the motorway and it just lost all power so I stopped and put vacuum resivour pipe back on and after about 15 mins the vacuum must have built back up again because it was back to just being useless in 1st and 2nd gear ..???????? Help !!!! I'm lost

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1 Answer

Alarm keeps ringing all the time


Hi, some jags are fitted with dual alarms, is your alarm sounding through the main horns and flashing the lights? or are you getting a loud beeping noise.
If its beeping then its the Passive alarm system. you need to say what one it is, I am asumming its the original alrm and not aftermarket.

Oct 25, 2012 | 2000 Jaguar S-Type

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2000 jetta 2.0 gas - 15-20 sec after starting car the water temp alarm goes off; 60 sec later turns off. car runs fine and temp gage reads normal. Any ideas?


Have you checked the coolant level in the overflow tank? Make sure it's to the proper level. The coolant warning system can lose its little brain on the VW's. Sorry I can't be more helpful.

Mar 05, 2011 | 2000 Volkswagen Jetta TDI

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I just installed a new battery and my car alrm is going off How can ii cut off the alrm


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Feb 03, 2011 | Ford E-Series Van Cars & Trucks

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Central locking has stopped working properly and I can not open any door other than the drivers door and that is with the key. This has been like this since the alarm went off on its own and would not...


The alarm will time out and turn itself off after a minute or two when it is tripped. This turns off the alarm, not just the alarm horn.

Are you saying that you can't unlock a door from the inside by hand?

Jan 04, 2011 | 2001 Volkswagen Jetta TDI

1 Answer

My audi a3 2.0 tdi has a siren noise when driving it.


It's most likely the turbocharger. We used to have an Audi with a turbo and it had a bit of a whine when accellerating. A slight siren type of noise is normal for it, but, if it's real loud then it should be checked.

Dec 19, 2010 | 2005 Audi A3

1 Answer

The alarm keeps going off it's not the normal


may not be the answer your looking for but most prestige cars have a seat alarm that will activate if you have something sitting on passenger seat.handbag etc. computer thinks someone is sitting there and they are not wearing a seatbelt

Feb 27, 2010 | 2007 Audi A3

1 Answer

Alarm oil sensor in my Audi A6 1,9 tdi -2000.


sounds like a faulty oil level sensor i,v replaced them in the past you need to get it checked first because the sensors aren,t cheap

Aug 02, 2009 | 2000 Audi A6

1 Answer

It does not have power to overtake although when stood it will rev it is an audi A3 1.9 tdi and is 2000


Your motor probably runs in "failsafe" mode (won't go past 3000rpm in highest gear), but in that case the ECU warning light should also come on (which might also be broken ofcourse).

Try releasing and reconnecting the battery (-connectors), which should "reset" any fault-codes in the ECU and see if the TDI power is back. Please note that the "cause" of the ECU faultcodes will probably put the motor back in "failsafe" mode within minutes ! But at least you've verified that your motor runs in "failsafe" mode due to serious faultcodes in the ECU.

You should have a dealer/expert read the ECU faultcodes using VAGCOM to determine the cause. A dealer will charge something like 50~60$ for it.

Since it's a 1.9TDI my best guess is that's it a broken N75 turbo-valve (common TDI issue, replacing the part yourself will cost less than $30 and 15 minutes). When the dealer suggests a complete replacement of the Turbo-unit (quite expensive), please have a TDI-expert do an 2nd opinion ...

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There is a few things to do check the door switches that control dome lights, check wire down by the skid plate when you get oil changed there is a sensor for the starter there if it is stolen the alarm will go off or just take a BAT and BEAT the living **** out of your horn and call it good like I am going to. I hope this helped or will help I recommend an aluminum bat vrs. wood

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