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AGG Starting problem |
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mr cheese 
Not Quite Newbie 
Joined: 19 Sep 11 Location: South London Status: Offline Points: 11 |
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 Topic: AGG Starting problemPosted: 04 Aug 12 at 23:14 |
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I wonder if anyone can shed some light on a small problem I have. My AGG engine is in the van, all piped and wired ready to go. It starts first turn of the key and fires for about 2 seconds before dying. Under closer investigation the spark dissapears. What could be causing this to happen?
The obvious culprit would be the ecu I presume. If it is getting a strange signal from one of the sensors would that cause it to kill the engine? If anyone has any ideas or suggestions of ways forward I would be very grateful. I have spotted some corrosion on the crank position sensor wires, and we have followed the wiring diagrams from GaryD which have been a great help. I will go through it all again but I fear I need more inspiration. Thanks, Oliver. |
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In theory there is no difference between theory and practice. In practice there is.
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Gtavalanche
Yardie 
"I'm learnding" Joined: 22 Feb 11 Location: Ipswich Suffolk Status: Offline Points: 989 |
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Posted: 04 Aug 12 at 23:23 |
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Immobiliser mate! have you put the key or chip from the key in the ring antenna?
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I taste Hurty!
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fufflenarnia
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Joined: 04 Sep 10 Location: Redhill, Surrey Status: Offline Points: 425 |
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Posted: 04 Aug 12 at 23:28 |
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Definately start with the immobiliser.
T3panel had similar due to one of the circuits dropping whilst cranking, but check the immobiliser first - if you have vcds (buy a usb obd lead off ebay and download the software from Ross tech) you can plug in to a pc and check - it will say 'ignition blocked by imobiliser' or something like that. Happy cranking! |
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cobblers
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Joined: 22 Sep 10 Location: Rotherham Status: Offline Points: 404 |
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Posted: 05 Aug 12 at 18:02 |
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+1 for the immobiliser - Have you got it wired up?
The key doesn't seem to work if you just tape it inside the ignition barrel pickup, it has to be sort of next to it.
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ELVIS
Moderator Group 
Silence is golden, gaffa tape is silver Joined: 04 Nov 06 Location: Promised Land Status: Offline Points: 8513 |
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Posted: 05 Aug 12 at 18:54 |
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position that always works (credit to syncroandy for this!!!)
hold ignition ring so that the wire to immo box is at 12 oclock position insert key into ring so it is orientated between 3 and 9 oclock tilt the head of the key to the 6 oclock position the bottom silver pointy end of key should now be touching the wire that is in the 12 oclock position tape it in place! useful link to check wiring on it replied on your 80-90 post aswell, have had same symptoms/problem with another AGG that was a fucked crank position sensor - hidden behind oil filter but was fucked. as has been said, VCDS or if not, use above link to put an obd in.
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Www.justgiving.com/ELVIS-SUMMERS
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T3Panel
Vanorak 
Joined: 18 May 10 Location: Surrey Status: Offline Points: 1579 |
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Posted: 05 Aug 12 at 19:24 |
That brings back bad memories  Mine wouldn't start at all, as I had used the wrong feed wires from the fuse box for the ignition live (it was live with ignition on, but cut the power when cranking) This one sounds like the immobiliser which also went pear shaped for me. As per everyone else's suggestion, get it connected up to VCDS and read the fault codes - however before you go rushing out to buy another ECU, check everything first, work your way through the wiring and make sure everything is where it should be. Edited by T3Panel - 05 Aug 12 at 19:51 |
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1987 T3 Panel 2.0 T3i!
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rowlesy
Vanorak
Joined: 09 Oct 05 Location: up unit! Status: Offline Points: 4398 |
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Posted: 05 Aug 12 at 20:24 |
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also check the earth to the immob,if it aint good it won't work!
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UberFukz broke another! seen my caddy build?
always out numbered never out gunned! RWS welding 07846 380 467 (worcs) |
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gusbang
Vanorak
Joined: 07 Oct 09 Location: Worcestershire Status: Offline Points: 1237 |
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Posted: 06 Aug 12 at 18:10 |
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I had exactly the same problem, ended up taking thr ECU to a fella in stoke, he removed the imobilser, problem solved
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If you don't know what to do......do nothing.
1988 T3 2ltr GTi Tin Top Camper 2009 BMW 330d MSport 2007 A6 2.7tdi Avant |
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Gtavalanche
Yardie
"I'm learnding" Joined: 22 Feb 11 Location: Ipswich Suffolk Status: Offline Points: 989 |
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Posted: 07 Aug 12 at 19:35 |
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How much did he charge you to do that?
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I taste Hurty!
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gusbang
Vanorak
Joined: 07 Oct 09 Location: Worcestershire Status: Offline Points: 1237 |
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Posted: 07 Aug 12 at 20:14 |
£100 http://vagtronics.blogspot.co.uk/2012/02/vag-immobiliser-removal-service.html Edited by gusbang - 07 Aug 12 at 20:18 |
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If you don't know what to do......do nothing.
1988 T3 2ltr GTi Tin Top Camper 2009 BMW 330d MSport 2007 A6 2.7tdi Avant |
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Gtavalanche
Yardie
"I'm learnding" Joined: 22 Feb 11 Location: Ipswich Suffolk Status: Offline Points: 989 |
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Posted: 08 Aug 12 at 19:54 |
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Not to bad, but another ECU with key and imobiliser can be found for 20 quid.
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I taste Hurty!
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gusbang
Vanorak
Joined: 07 Oct 09 Location: Worcestershire Status: Offline Points: 1237 |
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Posted: 08 Aug 12 at 19:57 |
True, but potentially the same problem will occur and i wanted rid of the problem. |
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If you don't know what to do......do nothing.
1988 T3 2ltr GTi Tin Top Camper 2009 BMW 330d MSport 2007 A6 2.7tdi Avant |
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Gtavalanche
Yardie
"I'm learnding" Joined: 22 Feb 11 Location: Ipswich Suffolk Status: Offline Points: 989 |
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Posted: 08 Aug 12 at 19:59 |
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Very true, suppose im just tight!
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I taste Hurty!
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gusbang
Vanorak
Joined: 07 Oct 09 Location: Worcestershire Status: Offline Points: 1237 |
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Posted: 08 Aug 12 at 22:25 |
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And i like spending money
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If you don't know what to do......do nothing.
1988 T3 2ltr GTi Tin Top Camper 2009 BMW 330d MSport 2007 A6 2.7tdi Avant |
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Gtavalanche
Yardie
"I'm learnding" Joined: 22 Feb 11 Location: Ipswich Suffolk Status: Offline Points: 989 |
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Posted: 08 Aug 12 at 22:26 |
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Thats probably why yours is running and mine isnt!
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I taste Hurty!
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T3Panel
Vanorak
Joined: 18 May 10 Location: Surrey Status: Offline Points: 1579 |
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Posted: 08 Aug 12 at 23:46 |
Sounds like you need the eh? Team.....
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1987 T3 Panel 2.0 T3i!
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Gtavalanche
Yardie
"I'm learnding" Joined: 22 Feb 11 Location: Ipswich Suffolk Status: Offline Points: 989 |
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Posted: 09 Aug 12 at 00:12 |
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Yup! its going in for welding this week, then hopefully getting the mchanic next door to the welder to get it running!
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I taste Hurty!
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mrhutch
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the ginger princess Joined: 21 Aug 07 Location: Herefordshire Status: Offline Points: 3698 |
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Posted: 09 Aug 12 at 00:23 |
nope, I've re-read it several times, and it still doesn't make sense.., In? In where? don't you have the number of the Eh Team? hope its on the road soon mate did 200 miles in mine last night and fucking loved it... (just needs a turbo now)!
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No Engine Or Gearbox Installed At Present...
RED OXIDE MURDER WAGON |
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Gtavalanche
Yardie
"I'm learnding" Joined: 22 Feb 11 Location: Ipswich Suffolk Status: Offline Points: 989 |
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Posted: 09 Aug 12 at 00:28 |
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Its needs someone else to finish it off! I'm posted to suffolk in 6 weeks so unless its running I'm gonna have to pay to have it moved.
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I taste Hurty!
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T3Panel
Vanorak
Joined: 18 May 10 Location: Surrey Status: Offline Points: 1579 |
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Posted: 09 Aug 12 at 00:56 |
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So what's left to do with the engine?
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1987 T3 Panel 2.0 T3i!
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fufflenarnia wrote: