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HansT



Member Since: 25 Dec 2012
Location: Mariefred
Posts: 173
Sweden 2004 Defender 110 Td5 SW Belize Green
Today I received the new injector harness. Thanks Simon!

Replacement of the harness was quite simple. No problems at all. The female connetor to the harness was full of oil so I was convinced that we found the promblem. A vast amount cleaning spray was used to wash away the oil.

In spite of the amount of oil at the harness plug by the engine I have not seen any oil at the ECU plug. But it got a dose of spray anyhow.

The engine started fine and I let it warm up while I fitted engine covers etc.

Then I fully depressed the accelartor. And the engine dies. Same as Before. No differance at all.

I give up...

Hans
Post #270767 1st Oct 2013 7:01pm
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Tiger



Member Since: 06 Jul 2012
Location: Wales
Posts: 2265
2004 Defender 110 Td5 CSW Java Black
Feel for you fella
Post #270776 1st Oct 2013 7:12pm
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HansT



Member Since: 25 Dec 2012
Location: Mariefred
Posts: 173
Sweden 2004 Defender 110 Td5 SW Belize Green
Thanks Tiger...

Hans
Post #270785 1st Oct 2013 7:24pm
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Macpaul



Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439
United Kingdom 2013 Defender 110 Puma 2.2 USW Loire Blue
Well, this has been leading up in cheaper steps to a replacement ECU by the sound of it.

Can you borrow one first to check? It may be that you will need to marry the test unit to your vehicle's immobiliser using a Nanocom or similar...? 2003 Td5 110 Hardtop
Now a 2013 110 USW too.
Post #270840 1st Oct 2013 9:36pm
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HansT



Member Since: 25 Dec 2012
Location: Mariefred
Posts: 173
Sweden 2004 Defender 110 Td5 SW Belize Green
Yes, you are probably right. And the harness and crank sensor also needed replacement so it was not in vain.

I have tried to borrow an ECU from members of the Swedish LR Club but so far no luck. How much is a new one in UK?

Hans
Post #270845 1st Oct 2013 9:49pm
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Macpaul



Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439
United Kingdom 2013 Defender 110 Puma 2.2 USW Loire Blue
Don't know about new but second hand ones seem to go for about £300 so c.Kr 3,000. 2003 Td5 110 Hardtop
Now a 2013 110 USW too.
Post #270882 2nd Oct 2013 7:15am
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Steve B



Member Since: 22 May 2009
Location: Warwickshire
Posts: 586
United Kingdom 2000 Defender 90 Td5 SW Caledonian Blue
Hi Hans,

Google (28,7) TOPSIDE SWITCH FAILED PRE INJECTION, (LOGGED).

I think this is the fault which is giving you problems, most prObably your ECU is FUBAR?

Steve 
Post #270952 2nd Oct 2013 3:14pm
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HansT



Member Since: 25 Dec 2012
Location: Mariefred
Posts: 173
Sweden 2004 Defender 110 Td5 SW Belize Green
Used ECU purchased on eBay. Awaiting delivery. Really hope that this is the answer. Will keep you posted.

Hans
Post #273497 13th Oct 2013 7:36pm
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Macpaul



Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439
United Kingdom 2013 Defender 110 Puma 2.2 USW Loire Blue
Good luck Hans.

Wiser people than me might be along soon, but i don't know if it's plug and play.

It might be worth checking if it needs synchronising with the immobiliser or if there are any other matters to consider. The codes stamped on your injectors might need entering into the ECU for best performance (using a Nanocom or similar) but it's not essential.

Pretty good price though!

Simon 2003 Td5 110 Hardtop
Now a 2013 110 USW too.
Post #273503 13th Oct 2013 7:48pm
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HansT



Member Since: 25 Dec 2012
Location: Mariefred
Posts: 173
Sweden 2004 Defender 110 Td5 SW Belize Green
From what I understand the ECU needs to be syncronised with the injectors. One guy from the Swedish LR Club will help me with that as I do not have the knowledge nor the equipment.

Besides the ECU I also bought from the same guy a fuel pump, throttle assy and MAF sensor. Might come in handy...

And thank you Simon for the lead! Any progress with your Defender?

Hans
Post #273537 13th Oct 2013 9:32pm
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Skye_Rover



Member Since: 29 Aug 2013
Location: Skye
Posts: 85
Scotland 1998 Defender 110 300 Tdi CSW Cairns Blue
Steve B wrote:
Hi Hans,

Google (28,7) TOPSIDE SWITCH FAILED PRE INJECTION, (LOGGED).

I think this is the fault which is giving you problems, most prObably your ECU is FUBAR?

Steve


I have got a 90 TD5 on my books with one of these (amongst many other) faults, but it doesn't lead to the problem that Hans is seeing. The thing has been running around for the last 3 years on 4 cylinders (No.5 injector has failed in some way, but I have not been "allowed" to fix it , as it runs just fine for the owner!!!) but still has the grunt to climb up to 4000rpm under load without cutting out. Because the injector is failed in a "closed" state, no fuel is dribbled to that cylinder, so free-accel smoke numbers for the MoT are just fine. Roads? Where we're going, we don't need roads.
Post #273562 13th Oct 2013 11:00pm
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Macpaul



Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439
United Kingdom 2013 Defender 110 Puma 2.2 USW Loire Blue
HansT wrote:
From what I understand the ECU needs to be syncronised with the injectors. One guy from the Swedish LR Club will help me with that as I do not have the knowledge nor the equipment.

Besides the ECU I also bought from the same guy a fuel pump, throttle assy and MAF sensor. Might come in handy...

And thank you Simon for the lead! Any progress with your Defender?

Hans


It has spent the last few weeks in the hands of IRB Developments and is now there awaiting the arrival of a man with an oscilloscope! 2003 Td5 110 Hardtop
Now a 2013 110 USW too.
Post #273597 14th Oct 2013 8:18am
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HansT



Member Since: 25 Dec 2012
Location: Mariefred
Posts: 173
Sweden 2004 Defender 110 Td5 SW Belize Green
Waiting for the ECU (and other parts) to arrive from UK I changed the fuel filter. The old filter did not contain any signs of water or any other contamination. New filter fitted and started fine. Let it idle for a while to get rid of any air. Gave it full throttle and it died immediately. Same as before.

Hans
Post #274663 17th Oct 2013 9:08pm
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HansT



Member Since: 25 Dec 2012
Location: Mariefred
Posts: 173
Sweden 2004 Defender 110 Td5 SW Belize Green
Now she runs well again!

Tonight the guy from the Swedish LR Club came around to sychronise the new ECU. Everything went quite well and now the engine runs well again. He took the old ECU with him to see if it is repairable.

A big thanks to Simon and all the rest of you who have been so helpful in order to get my Defender to run again!

Regards/Hans
Post #284692 23rd Nov 2013 11:19pm
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Macpaul



Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439
United Kingdom 2013 Defender 110 Puma 2.2 USW Loire Blue
Hooray! Very pleased to hear of your success. 2003 Td5 110 Hardtop
Now a 2013 110 USW too.
Post #284707 24th Nov 2013 1:27am
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